点击这里给我发消息
全部分类

产品详情

1836122-41-8|4,4',4'',4'''-(1,4-亚苯基双(吡啶-4,2,6-三基))四苯甲酸|4-(4-{4-[2,6-bis(4-carboxyphenyl)pyridin-4-yl]phenyl}-6-(4-carboxyphenyl)pyridin-2-yl)benzoic acid

4,4',4'',4'''-(1,4-亚苯基双(吡啶-4,2,6-三基))四苯甲酸

CAS号：1836122-41-8
产品编号 : CM537499 分子式 : C44H28N2O8
分子量 : 712.71 纯度 : 95%+
包装单位 可用库存 价格(￥) 数量
CM537499-100mg 现货 ￥ƻƻǺŔňň
vip价格，登录后可查看
CM537499-250mg 现货 ￥ƏƏƅŔňň
vip价格，登录后可查看
CM537499-1g 现货 ￥șǺňƩŔňň
vip价格，登录后可查看
询单 加购物车
* 凯曼尼的所有产品仅用作科学研究，我们不为任何个人用途提供产品和服务。
收藏
  • 标签 :   
  • 分类 :

产品信息

4,4',4'',4'''-(1,4-亚苯基双(吡啶-4,2,6-三基))四苯甲酸
  • CAS 号: 1836122-41-8
  • 产品编号: CM537499
  • 分子式: C44H28N2O8
  • 分子量: 712.71
  • 熔点:
  • 沸点:
  • Smiles Code: O=C(O)C1=CC=C(C2=NC(C3=CC=C(C=C3)C(O)=O)=CC(C4=CC=C(C5=CC(C6=CC=C(C=C6)C(O)=O)=NC(C7=CC=C(C=C7)C(O)=O)=C5)C=C4)=C2)C=C1
  • MDL 号:
  • 浓度: -
  • 存储方式:
  • 外观性状:

相关产品推荐

1262962-06-0|5-(吡啶-4-基)间苯二甲酸|5-(pyridin-4-yl)benzene-1,3-dicarboxylic acid
1262962-06-0
5-(吡啶-4-基)间苯二甲酸
1199574-21-4|3,5-二(1H-咪唑-1-基)苯甲酸|3,5-bis(1H-imidazol-1-yl)benzoic acid
1199574-21-4
3,5-二(1H-咪唑-1-基)苯甲酸
1238617-40-7|2-(吡啶-4-基)对苯二甲酸|2-(pyridin-4-yl)benzene-1,4-dicarboxylic acid
1238617-40-7
2-(吡啶-4-基)对苯二甲酸
1240327-15-4|5-(吡啶-4-基甲氧基)间苯二甲酸|5-[(pyridin-4-yl)methoxy]benzene-1,3-dicarboxylic acid
1240327-15-4
5-(吡啶-4-基甲氧基)间苯二甲酸
124558-60-7|[4,4'-联吡啶]-2,2',6,6'-四羧酸|[4,4'-bipyridine]-2,2',6,6'-tetracarboxylic acid
124558-60-7
[4,4'-联吡啶]-2,2',6,6'-四羧酸
1258419-69-0|3,3'-(吡啶-2,6-二基)二苯甲酸|3-[6-(3-carboxyphenyl)pyridin-2-yl]benzoic acid
1258419-69-0
3,3'-(吡啶-2,6-二基)二苯甲酸
1264068-70-3|5-(吡啶-3-基)间苯二甲酸|5-(pyridin-3-yl)benzene-1,3-dicarboxylic acid
1264068-70-3
5-(吡啶-3-基)间苯二甲酸
1283676-82-3|2-(1-(叔丁氧基羰基)吡咯烷-2-羧酰胺基)-[1,1'-联苯]-4,4'-二羧酸|2-{1-[(tert-butoxy)carbonyl]pyrrolidine-2-amido}-[1,1'-biphenyl]-4,4'-dicarboxylic acid
1283676-82-3
2-(1-(叔丁氧基羰基)吡咯烷-2-羧酰胺基)-[1,1'-联苯]-4,4'-二羧酸
1370206-12-4|4-([4,2':6',4''-联吡啶]-4'-基)苯甲酸|4-[6-(pyridin-4-yl)-[2,4'-bipyridin]-4-yl]benzoic acid
1370206-12-4
4-([4,2':6',4''-联吡啶]-4'-基)苯甲酸
1373759-05-7|4,4'-([2,2'-联吡啶]-5,5'-二基)二苯甲酸|4-[5'-(4-carboxyphenyl)-[2,2'-bipyridin]-5-yl]benzoic acid
1373759-05-7
4,4'-([2,2'-联吡啶]-5,5'-二基)二苯甲酸
138253-30-2|4-([2,2':6',2''-联吡啶]-4'-基)苯甲醛|4-[6-(pyridin-2-yl)-[2,2'-bipyridin]-4-yl]benzaldehyde
138253-30-2
4-([2,2':6',2''-联吡啶]-4'-基)苯甲醛
138479-54-6|2-(1H-1,2,4-三唑-1-基)苯甲酸|2-(1H-1,2,4-triazol-1-yl)benzoic acid
138479-54-6
2-(1H-1,2,4-三唑-1-基)苯甲酸
1393711-96-0|4-(4-吡啶-4-基苯基)苯甲酸|4'-(pyridin-4-yl)-[1,1'-biphenyl]-4-carboxylic acid
1393711-96-0
4-(4-吡啶-4-基苯基)苯甲酸
1415258-35-3|4-([[3,2':6',3''-萜啶]-4'-基)苯甲酸|4-[6-(pyridin-3-yl)-[2,3'-bipyridin]-4-yl]benzoic acid
1415258-35-3
4-([[3,2':6',3''-萜啶]-4'-基)苯甲酸
1417570-15-0|5-(嘧啶-5-基)间苯二甲酸|5-(pyrimidin-5-yl)benzene-1,3-dicarboxylic acid
1417570-15-0
5-(嘧啶-5-基)间苯二甲酸
158014-74-5|4-(2,2':6',2''-三联吡啶)-4'-苯甲酸|4-[6-(pyridin-2-yl)-[2,2'-bipyridin]-4-yl]benzoic acid
158014-74-5
4-(2,2':6',2''-三联吡啶)-4'-苯甲酸
159589-67-0|2-(1H-咪唑-1-基)苯甲酸|2-(1H-imidazol-1-yl)benzoic acid
159589-67-0
2-(1H-咪唑-1-基)苯甲酸
167626-64-4|3-(1H-1,2,4-三唑-1-基)苯甲酸|3-(1H-1,2,4-triazol-1-yl)benzoic acid
167626-64-4
3-(1H-1,2,4-三唑-1-基)苯甲酸
171820-04-5|4,4'-(吡啶-3,5-二基)二苯甲酸|4-[5-(4-carboxyphenyl)pyridin-3-yl]benzoic acid
171820-04-5
4,4'-(吡啶-3,5-二基)二苯甲酸
159589-71-6|2-(2-甲基-1H-咪唑-1-基)苯甲酸|2-(2-methyl-1H-imidazol-1-yl)benzoic acid
159589-71-6
2-(2-甲基-1H-咪唑-1-基)苯甲酸
162848-16-0|4-(1,2,4-三唑-1-基)苯甲酸|4-(1H-1,2,4-triazol-1-yl)benzoic acid
162848-16-0
4-(1,2,4-三唑-1-基)苯甲酸
157069-48-2|4-(4H-1,2,4-三唑-4-基)苯甲酸|4-(4H-1,2,4-triazol-4-yl)benzoic acid
157069-48-2
4-(4H-1,2,4-三唑-4-基)苯甲酸
1429436-06-5|3,3'-(吡啶-3,5-二基)二苯甲酸|3-[5-(3-carboxyphenyl)pyridin-3-yl]benzoic acid
1429436-06-5
3,3'-(吡啶-3,5-二基)二苯甲酸
149558-69-0|1,1'-(吡啶-2,6-二基吡啶)双(1H-吡唑-3-羧酸)|1-[6-(3-carboxy-1H-pyrazol-1-yl)pyridin-2-yl]-1H-pyrazole-3-carboxylic acid
149558-69-0
1,1'-(吡啶-2,6-二基吡啶)双(1H-吡唑-3-羧酸)
1627605-35-9|5,5'-(苯并[c][1,2,5]噻二唑-4,7-二基)二间苯二甲酸|5-[7-(3,5-dicarboxyphenyl)-2,1,3-benzothiadiazol-4-yl]benzene-1,3-dicarboxylic acid
1627605-35-9
5,5'-(苯并[c][1,2,5]噻二唑-4,7-二基)二间苯二甲酸
1643586-52-0|5-(1H-咪唑-1-基)间苯二甲酸|5-(1H-imidazol-1-yl)benzene-1,3-dicarboxylic acid
1643586-52-0
5-(1H-咪唑-1-基)间苯二甲酸
1644566-39-1|4,4'-(1H-1,2,4-三唑-1-基亚甲基)双[苯甲酸]|4-[(4-carboxyphenyl)(1H-1,2,4-triazol-1-yl)methyl]benzoic acid
1644566-39-1
4,4'-(1H-1,2,4-三唑-1-基亚甲基)双[苯甲酸]
160388-54-5|4-((1H-1,2,4-三唑-1-基)甲基)苯甲酸|4-[(1H-1,2,4-triazol-1-yl)methyl]benzoic acid
160388-54-5
4-((1H-1,2,4-三唑-1-基)甲基)苯甲酸
160388-53-4|4-((1H-吡唑-1-基)甲基)苯甲酸|4-[(1H-pyrazol-1-yl)methyl]benzoic acid
160388-53-4
4-((1H-吡唑-1-基)甲基)苯甲酸
1748-89-6|4-甲酸-2,2-联吡啶|[2,2'-bipyridine]-4-carboxylic acid
1748-89-6
4-甲酸-2,2-联吡啶
1802-30-8|2,2'-联吡啶-5,5'-二羧酸|[2,2'-bipyridine]-5,5'-dicarboxylic acid
1802-30-8
2,2'-联吡啶-5,5'-二羧酸
192637-18-6|4-((2-甲基-1H-咪唑-1-基)甲基)苯甲酸|4-[(2-methyl-1H-imidazol-1-yl)methyl]benzoic acid
192637-18-6
4-((2-甲基-1H-咪唑-1-基)甲基)苯甲酸
17616-04-5|4-(1H-咪唑-1-基)苯甲酸|4-(1H-imidazol-1-yl)benzoic acid
17616-04-5
4-(1H-咪唑-1-基)苯甲酸
185252-69-1|4-(3,5-二甲基-1H-吡唑-4-基)苯甲酸|4-(3,5-dimethyl-1H-pyrazol-4-yl)benzoic acid
185252-69-1
4-(3,5-二甲基-1H-吡唑-4-基)苯甲酸
2022152-71-0|4'-(吡啶-4-基)-[1,1'-联苯]-3,5-二羧酸|4'-(pyridin-4-yl)-[1,1'-biphenyl]-3,5-dicarboxylic acid
2022152-71-0
4'-(吡啶-4-基)-[1,1'-联苯]-3,5-二羧酸
1942879-46-0|2,5-二(1H-咪唑-1-基)对苯二酸|2,5-bis(1H-imidazol-1-yl)benzene-1,4-dicarboxylic acid
1942879-46-0
2,5-二(1H-咪唑-1-基)对苯二酸
1862239-04-0|4,4'-(苯并[c][1,2,5]硒代二唑-4,7-二基)二苯甲酸|4-[7-(4-carboxyphenyl)-2,1,3-benzoselenadiazol-4-yl]benzoic acid
1862239-04-0
4,4'-(苯并[c][1,2,5]硒代二唑-4,7-二基)二苯甲酸
1836122-41-8|4,4',4'',4'''-(1,4-亚苯基双(吡啶-4,2,6-三基))四苯甲酸|4-(4-{4-[2,6-bis(4-carboxyphenyl)pyridin-4-yl]phenyl}-6-(4-carboxyphenyl)pyridin-2-yl)benzoic acid
1836122-41-8
4,4',4'',4'''-(1,4-亚苯基双(吡啶-4,2,6-三基))四苯甲酸
1800465-14-8|5-(9H-咔唑-9-基)间苯二甲酸|5-(9H-carbazol-9-yl)benzene-1,3-dicarboxylic acid
1800465-14-8
5-(9H-咔唑-9-基)间苯二甲酸
23012-13-7|4-恶唑甲酸|1,3-oxazole-4-carboxylic acid
23012-13-7
4-恶唑甲酸
216018-58-5|2,2':6',2''-三联吡啶-4,4',4''-三甲酸|6-(4-carboxypyridin-2-yl)-[2,2'-bipyridine]-4,4'-dicarboxylic acid
216018-58-5
2,2':6',2''-三联吡啶-4,4',4''-三甲酸
216959-91-0|4-(嘧啶-5-基)苯甲酸|4-(pyrimidin-5-yl)benzoic acid
216959-91-0
4-(嘧啶-5-基)苯甲酸
253315-22-9|6-(1H-吡唑-1-基)烟酸|6-(1H-pyrazol-1-yl)pyridine-3-carboxylic acid
253315-22-9
6-(1H-吡唑-1-基)烟酸
2111824-48-5|2-(1H-1,2,4-三唑-1-基)苯-1,3,5-三羧酸|2-(1H-1,2,4-triazol-1-yl)benzene-1,3,5-tricarboxylic acid
2111824-48-5
2-(1H-1,2,4-三唑-1-基)苯-1,3,5-三羧酸
2163052-04-6|2,5-二(1H-1,2,4-三唑-1-基)对苯二酸|2,5-bis(1H-1,2,4-triazol-1-yl)benzene-1,4-dicarboxylic acid
2163052-04-6
2,5-二(1H-1,2,4-三唑-1-基)对苯二酸
212138-35-7|4-(2-吡啶-4-基乙炔基)苯甲酸|4-[2-(pyridin-4-yl)ethynyl]benzoic acid
212138-35-7
4-(2-吡啶-4-基乙炔基)苯甲酸
2227468-63-3|4,6-二(1H-1,2,4-三唑-1-基)间苯二甲酸|4,6-bis(1H-1,2,4-triazol-1-yl)benzene-1,3-dicarboxylic acid
2227468-63-3
4,6-二(1H-1,2,4-三唑-1-基)间苯二甲酸
2226465-62-7|5-([2,2':6',2''-萜啶]-4'-基)间苯二甲酸|5-[6-(pyridin-2-yl)-[2,2'-bipyridin]-4-yl]benzene-1,3-dicarboxylic acid
2226465-62-7
5-([2,2':6',2''-萜啶]-4'-基)间苯二甲酸
2241598-39-8|5-(1H-1,2,4-三唑-1-基)间苯二甲酸|5-(1H-1,2,4-triazol-1-yl)benzene-1,3-dicarboxylic acid
2241598-39-8
5-(1H-1,2,4-三唑-1-基)间苯二甲酸
2097938-53-7|5,5'-二(1H-1,2,4-三唑-1-基)-[1,1'-联苯]-3,3'-二羧酸|5,5'-bis(1H-1,2,4-triazol-1-yl)-[1,1'-biphenyl]-3,3'-dicarboxylic acid
2097938-53-7
5,5'-二(1H-1,2,4-三唑-1-基)-[1,1'-联苯]-3,3'-二羧酸
31301-27-6|1,10-菲咯啉-4-甲酸|1,10-phenanthroline-4-carboxylic acid
31301-27-6
1,10-菲咯啉-4-甲酸
39774-28-2|6-苯基吡啶-2-羧酸|6-phenylpyridine-2-carboxylic acid
39774-28-2
6-苯基吡啶-2-羧酸
34114-12-0|5-(4-甲酸苯基)-1H-四唑|4-(1H-1,2,3,4-tetrazol-5-yl)benzoic acid
34114-12-0
5-(4-甲酸苯基)-1H-四唑
3723-32-8|[3,3'-联吡啶]-2,2'-二羧酸|[3,3'-bipyridine]-2,2'-dicarboxylic acid
3723-32-8
[3,3'-联吡啶]-2,2'-二羧酸
31301-31-2|1,10-菲咯啉-4,7-二羧酸|1,10-phenanthroline-4,7-dicarboxylic acid
31301-31-2
1,10-菲咯啉-4,7-二羧酸
335255-80-6|3-(4H-1,2,4-三唑-4-基)苯甲酸|3-(4H-1,2,4-triazol-4-yl)benzoic acid
335255-80-6
3-(4H-1,2,4-三唑-4-基)苯甲酸
316833-32-6|2-吡啶-4-基-3H-苯并咪唑-5-羧酸|2-(pyridin-4-yl)-1H-1,3-benzodiazole-6-carboxylic acid
316833-32-6
2-吡啶-4-基-3H-苯并咪唑-5-羧酸
303180-11-2|1H-吡唑-3,5-二羧酸水合物|1H-pyrazole-3,5-dicarboxylic acid hydrate
303180-11-2
1H-吡唑-3,5-二羧酸水合物
4385-76-6|4-吡啶-4-基苯甲酸|4-(pyridin-4-yl)benzoic acid
4385-76-6
4-吡啶-4-基苯甲酸
55-22-1|异烟酸|pyridine-4-carboxylic acid
55-22-1
异烟酸
4385-78-8|3-吡啶-4-基-苯甲酸|3-(pyridin-4-yl)benzoic acid
4385-78-8
3-吡啶-4-基-苯甲酸
4467-07-6|3-(2-吡啶)苯甲酸|3-(pyridin-2-yl)benzoic acid
4467-07-6
3-(2-吡啶)苯甲酸
4385-77-7|3-吡啶-3-基苯甲酸|3-(pyridin-3-yl)benzoic acid
4385-77-7
3-吡啶-3-基苯甲酸
5730-78-9|4-(4-氨基苯基)苯甲酸|4'-amino-[1,1'-biphenyl]-4-carboxylic acid
5730-78-9
4-(4-氨基苯基)苯甲酸
4392-87-4|2,2-联吡啶-6-羧酸|[2,2'-bipyridine]-6-carboxylic acid
4392-87-4
2,2-联吡啶-6-羧酸
5434-20-8|3-氨基邻苯二甲酸|3-aminobenzene-1,2-dicarboxylic acid
5434-20-8
3-氨基邻苯二甲酸
603-11-2|3-硝基邻苯二甲酸|3-nitrobenzene-1,2-dicarboxylic acid
603-11-2
3-硝基邻苯二甲酸
4433-01-6|2,2'-联吡啶-3,3'-二甲酸|[2,2'-bipyridine]-3,3'-dicarboxylic acid
4433-01-6
2,2'-联吡啶-3,3'-二甲酸
499-83-2|吡啶-2,6-二羧酸|pyridine-2,6-dicarboxylic acid
499-83-2
吡啶-2,6-二羧酸
5434-21-9|4-氨基苯二甲酸|4-aminobenzene-1,2-dicarboxylic acid
5434-21-9
4-氨基苯二甲酸
490-11-9|3,4-吡啶二羧酸|pyridine-3,4-dicarboxylic acid
490-11-9
3,4-吡啶二羧酸
57709-61-2|1,10-邻二氮杂菲-2,9-二甲酸|1,10-phenanthroline-2,9-dicarboxylic acid
57709-61-2
1,10-邻二氮杂菲-2,9-二甲酸
4479-74-7|2,2'-联吡啶-6,6'-二羧酸|[2,2'-bipyridine]-6,6'-dicarboxylic acid
4479-74-7
2,2'-联吡啶-6,6'-二羧酸
499-80-9|2,4-吡啶二羧酸|pyridine-2,4-dicarboxylic acid
499-80-9
2,4-吡啶二羧酸
570-22-9|1H-咪唑-4,5-二羧酸|1H-imidazole-4,5-dicarboxylic acid
570-22-9
1H-咪唑-4,5-二羧酸
4329-78-6|4,4'-(1H-1,2,4-三唑-3,5-二基)二吡啶|4-[5-(pyridin-4-yl)-1H-1,2,4-triazol-3-yl]pyridine
4329-78-6
4,4'-(1H-1,2,4-三唑-3,5-二基)二吡啶
4316-23-8|4-甲基邻苯二甲酸|4-methylbenzene-1,2-dicarboxylic acid
4316-23-8
4-甲基邻苯二甲酸
51294-28-1|2-(吡啶-3-基)-1H-咪唑-4,5-二羧酸|2-(pyridin-3-yl)-1H-imidazole-4,5-dicarboxylic acid
51294-28-1
2-(吡啶-3-基)-1H-咪唑-4,5-二羧酸
600727-96-6|2,6-二(1H-吡唑-1-基)异烟酸|2,6-bis(1H-pyrazol-1-yl)pyridine-4-carboxylic acid
600727-96-6
2,6-二(1H-吡唑-1-基)异烟酸
43015-44-7|3,6-二甲基吡嗪-2,5-二羧酸|dimethylpyrazine-2,5-dicarboxylic acid
43015-44-7
3,6-二甲基吡嗪-2,5-二羧酸
5496-35-5|4-(4,5-二苯基-1H-咪唑-2-基)苯甲酸|4-(4,5-diphenyl-1H-imidazol-2-yl)benzoic acid
5496-35-5
4-(4,5-二苯基-1H-咪唑-2-基)苯甲酸
575433-76-0|吡啶-2,6-二羧酸单叔丁酯|6-[(tert-butoxy)carbonyl]pyridine-2-carboxylic acid
575433-76-0
吡啶-2,6-二羧酸单叔丁酯
630067-06-0|1,10-菲咯啉-5-甲酸|1,10-phenanthroline-5-carboxylic acid
630067-06-0
1,10-菲咯啉-5-甲酸
6813-38-3|2,2'-联吡啶-4,4'-二甲酸|[2,2'-bipyridine]-4,4'-dicarboxylic acid
6813-38-3
2,2'-联吡啶-4,4'-二甲酸
618-88-2|5-硝基间苯二甲酸|5-nitrobenzene-1,3-dicarboxylic acid
618-88-2
5-硝基间苯二甲酸
72899-92-4|1-(4-羧基苯基)-1H-吡唑-3-羧酸|1-(4-carboxyphenyl)-1H-pyrazole-3-carboxylic acid
72899-92-4
1-(4-羧基苯基)-1H-吡唑-3-羧酸
639863-89-1|2-(4-(4H-1,2,4-三唑-4-基)苯基)乙酸|2-[4-(4H-1,2,4-triazol-4-yl)phenyl]acetic acid
639863-89-1
2-(4-(4H-1,2,4-三唑-4-基)苯基)乙酸
609356-00-5|4,6-二(4-羧苯基)嘧啶|4-[6-(4-carboxyphenyl)pyrimidin-4-yl]benzoic acid
609356-00-5
4,6-二(4-羧苯基)嘧啶
623157-25-5|4-[6-(4-羧苯基)吡嗪-2-基]苯甲酸|4-[6-(4-carboxyphenyl)pyrazin-2-yl]benzoic acid
623157-25-5
4-[6-(4-羧苯基)吡嗪-2-基]苯甲酸
676339-81-4|6-(4-羧基苯基)烟酸|6-(4-carboxyphenyl)pyridine-3-carboxylic acid
676339-81-4
6-(4-羧基苯基)烟酸
959-36-4|水杨醛吖嗪|2-[(E)-[(2E)-2-[(2-hydroxyphenyl)methylidene]hydrazin-1-ylidene]methyl]phenol
959-36-4
水杨醛吖嗪
937-27-9|1H-吡咯-2,5-二羧酸|1H-pyrrole-2,5-dicarboxylic acid
937-27-9
1H-吡咯-2,5-二羧酸
98-98-6|2-吡啶甲酸|pyridine-2-carboxylic acid
98-98-6
2-吡啶甲酸
99-31-0|5-氨基间苯二甲酸|5-aminobenzene-1,3-dicarboxylic acid
99-31-0
5-氨基间苯二甲酸
94084-75-0|4-(咪唑-1-基甲基)苯甲酸|4-[(1H-imidazol-1-yl)methyl]benzoic acid
94084-75-0
4-(咪唑-1-基甲基)苯甲酸
856905-13-0|3-(吡嗪-2-基)苯甲酸|3-(pyrazin-2-yl)benzoic acid
856905-13-0
3-(吡嗪-2-基)苯甲酸
89-00-9|吡啶-2,3-二羧酸|pyridine-2,3-dicarboxylic acid
89-00-9
吡啶-2,3-二羧酸
89-01-0|吡嗪-2,3-二羧酸|pyrazine-2,3-dicarboxylic acid
89-01-0
吡嗪-2,3-二羧酸
856796-87-7|[3,3'-联吡啶]-5,5'-二羧酸|[3,3'-bipyridine]-5,5'-dicarboxylic acid
856796-87-7
[3,3'-联吡啶]-5,5'-二羧酸
865169-07-9|4-(1H-咪唑并[4,5-f][1,10]菲咯啉-2-基)苯甲酸|4-{1H-imidazo[4,5-f]1,10-phenanthrolin-2-yl}benzoic acid
865169-07-9
4-(1H-咪唑并[4,5-f][1,10]菲咯啉-2-基)苯甲酸