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    首页 分子通 按分子结构分类 有机化合物 有机杂环化合物 苯并吡喃

    苯并吡喃

    相关化合物

    中文名称 英文名称 CAS号 化学式 结构式图片
    —— N-(1,3-benzodioxol-5-ylmethyl)-2-[butyl-(2-methoxyacetyl)amino]-N-[(6-chloro-4-oxochromen-3-yl)methyl]acetamide —— C27H29ClN2O7
    N-(1,3-benzodioxol-5-ylmethyl)-2-[butyl-(2-methoxyacetyl)amino]-N-[(6-chloro-4-oxochromen-3-yl)methyl]acetamide
    —— (1S)-1-(4-chlorophenyl)-3,4-dihydro-1H-isochromene —— C15H13ClO
    (1S)-1-(4-chlorophenyl)-3,4-dihydro-1H-isochromene
    —— 7-Bromo-1-(3-bromo-4-hydroxy-5-methoxyphenyl)-2-(4-fluorobenzyl)-1,2-dihydrochromeno[2,3-c]pyrrole-3,9-dione —— C25H16Br2FNO5
    7-Bromo-1-(3-bromo-4-hydroxy-5-methoxyphenyl)-2-(4-fluorobenzyl)-1,2-dihydrochromeno[2,3-c]pyrrole-3,9-dione
    —— N-benzyl-2-[2-methoxyethyl-(2-phenylsulfanylacetyl)amino]-N-[(6-methyl-4-oxochromen-3-yl)methyl]acetamide —— C31H32N2O5S
    N-benzyl-2-[2-methoxyethyl-(2-phenylsulfanylacetyl)amino]-N-[(6-methyl-4-oxochromen-3-yl)methyl]acetamide
    —— (1R)-1-(4-chlorophenyl)-3,4-dihydro-1H-isochromene —— C15H13ClO
    (1R)-1-(4-chlorophenyl)-3,4-dihydro-1H-isochromene
    —— 2-Benzyl-7-bromo-1-(3-bromo-4-hydroxy-5-methoxyphenyl)-1,2-dihydrochromeno[2,3-c]pyrrole-3,9-dione —— C25H17Br2NO5
    2-Benzyl-7-bromo-1-(3-bromo-4-hydroxy-5-methoxyphenyl)-1,2-dihydrochromeno[2,3-c]pyrrole-3,9-dione
    —— 7-bromo-2-[(4-fluorophenyl)methyl]-1-(3-hydroxyphenyl)-1H,2H,3H,9H-chromeno[2,3-c]pyrrole-3,9-dione —— C24H15BrFNO4
    7-bromo-2-[(4-fluorophenyl)methyl]-1-(3-hydroxyphenyl)-1H,2H,3H,9H-chromeno[2,3-c]pyrrole-3,9-dione
    —— 7-Bromo-1-(3-bromo-4-hydroxy-5-methoxyphenyl)-2-(4-methylbenzyl)-1,2-dihydrochromeno[2,3-c]pyrrole-3,9-dione —— C26H19Br2NO5
    7-Bromo-1-(3-bromo-4-hydroxy-5-methoxyphenyl)-2-(4-methylbenzyl)-1,2-dihydrochromeno[2,3-c]pyrrole-3,9-dione
    —— 7-Bromo-2-(2-chlorobenzyl)-1-(3-ethoxy-4-hydroxyphenyl)-1,2-dihydrochromeno[2,3-c]pyrrole-3,9-dione —— C26H19BrClNO5
    7-Bromo-2-(2-chlorobenzyl)-1-(3-ethoxy-4-hydroxyphenyl)-1,2-dihydrochromeno[2,3-c]pyrrole-3,9-dione
    —— 7-Bromo-2-(2-chlorobenzyl)-1-(3-hydroxyphenyl)-1,2-dihydrochromeno[2,3-c]pyrrole-3,9-dione —— C24H15BrClNO4
    7-Bromo-2-(2-chlorobenzyl)-1-(3-hydroxyphenyl)-1,2-dihydrochromeno[2,3-c]pyrrole-3,9-dione
    —— 2-(1,3-Benzodioxol-5-ylmethyl)-7-bromo-1-(3-hydroxyphenyl)-1,2-dihydrochromeno[2,3-c]pyrrole-3,9-dione —— C25H16BrNO6
    2-(1,3-Benzodioxol-5-ylmethyl)-7-bromo-1-(3-hydroxyphenyl)-1,2-dihydrochromeno[2,3-c]pyrrole-3,9-dione
    —— 1-(4-Hydroxy-3-methoxyphenyl)-2-(5-propyl-1,3,4-thiadiazol-2-yl)-1,2-dihydrochromeno[2,3-c]pyrrole-3,9-dione —— C23H19N3O5S
    1-(4-Hydroxy-3-methoxyphenyl)-2-(5-propyl-1,3,4-thiadiazol-2-yl)-1,2-dihydrochromeno[2,3-c]pyrrole-3,9-dione
    —— 6-[5-chloro-3-hydroxy-3-(9-methyl-5H-chromeno[4,3-b]pyridin-3-yl)-2H-1-benzofuran-2-carbonyl]-4-ethyl-1,4-benzoxazin-3-one —— C32H25ClN2O6
    6-[5-chloro-3-hydroxy-3-(9-methyl-5H-chromeno[4,3-b]pyridin-3-yl)-2H-1-benzofuran-2-carbonyl]-4-ethyl-1,4-benzoxazin-3-one
    —— 2-[2-(7-Methoxy-2-methyl-2,3-dihydrochromen-4-ylidene)ethyl]-2-methylcyclopentane-1,3-dione —— C19H22O4
    2-[2-(7-Methoxy-2-methyl-2,3-dihydrochromen-4-ylidene)ethyl]-2-methylcyclopentane-1,3-dione
    —— but-3-enyl N-[4-hydroxy-15,16-bis(4-hydroxybutyl)-12-methoxyimino-9-prop-2-enoxy-8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,13-tetraen-10-yl]-N-[2-(2-hydroxyethoxy)ethyl]carbamate —— C37H54N2O10
    but-3-enyl N-[4-hydroxy-15,16-bis(4-hydroxybutyl)-12-methoxyimino-9-prop-2-enoxy-8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,13-tetraen-10-yl]-N-[2-(2-hydroxyethoxy)ethyl]carbamate
    —— but-3-enyl N-[4-(benzylcarbamoyloxy)-15,16-bis(4-hydroxybutyl)-12-phenylmethoxyimino-9-prop-2-enoxy-8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,13-tetraen-10-yl]-N-propylcarbamate —— C50H63N3O9
    but-3-enyl N-[4-(benzylcarbamoyloxy)-15,16-bis(4-hydroxybutyl)-12-phenylmethoxyimino-9-prop-2-enoxy-8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,13-tetraen-10-yl]-N-propylcarbamate
    —— 2-ethyl-3-methyl-4-oxo-3,4,5,6-tetrahydro-2<i>H</i>-2,6-methano-benz[<i>g</i>][1,3]oxazocine-5-carboxylic acid —— C15H17NO4
    2-ethyl-3-methyl-4-oxo-3,4,5,6-tetrahydro-2<i>H</i>-2,6-methano-benz[<i>g</i>][1,3]oxazocine-5-carboxylic acid
    —— 2-phenylmethoxyethyl N-[15,16-bis(4-hydroxybutyl)-4-naphthalen-2-yloxy-12-phenylmethoxyimino-9-prop-2-enoxy-8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,13-tetraen-10-yl]-N-methylcarbamate —— C55H62N2O9
    2-phenylmethoxyethyl N-[15,16-bis(4-hydroxybutyl)-4-naphthalen-2-yloxy-12-phenylmethoxyimino-9-prop-2-enoxy-8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,13-tetraen-10-yl]-N-methylcarbamate
    —— 3-[[10-Hexadecylsulfanyl-15,16-bis(4-hydroxybutyl)-12-methoxyimino-9-prop-2-enoxy-8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,13-tetraen-4-yl]oxy]benzaldehyde —— C51H75NO7S
    3-[[10-Hexadecylsulfanyl-15,16-bis(4-hydroxybutyl)-12-methoxyimino-9-prop-2-enoxy-8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,13-tetraen-4-yl]oxy]benzaldehyde
    —— methyl N-[4-(3-formylphenoxy)-15,16-bis(4-hydroxybutyl)-12-[(2-methylpropan-2-yl)oxyimino]-9-prop-2-enoxy-8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,13-tetraen-10-yl]-N-methylcarbamate —— C41H54N2O9
    methyl N-[4-(3-formylphenoxy)-15,16-bis(4-hydroxybutyl)-12-[(2-methylpropan-2-yl)oxyimino]-9-prop-2-enoxy-8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,13-tetraen-10-yl]-N-methylcarbamate
    —— N-[15,16-bis(4-hydroxybutyl)-12-methoxyimino-4-(4-methylsulfanylphenoxy)-9-prop-2-enoxy-8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,13-tetraen-10-yl]-3-cyclopentyl-N-[(4-fluorophenyl)methyl]propanamide —— C50H63FN2O7S
    N-[15,16-bis(4-hydroxybutyl)-12-methoxyimino-4-(4-methylsulfanylphenoxy)-9-prop-2-enoxy-8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,13-tetraen-10-yl]-3-cyclopentyl-N-[(4-fluorophenyl)methyl]propanamide
    —— 4-[16-(4-Hydroxybutyl)-12-methoxyimino-10-(5-phenyltriazol-1-yl)-4,9-bis(prop-2-enoxy)-8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,13-tetraen-15-yl]butan-1-ol —— C39H48N4O6
    4-[16-(4-Hydroxybutyl)-12-methoxyimino-10-(5-phenyltriazol-1-yl)-4,9-bis(prop-2-enoxy)-8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,13-tetraen-15-yl]butan-1-ol
    —— 9-hydroxy-4-[2-(1,2,3,4-tetrahydroisoquinolin-2-ium-2-yl)acetyl]-2,3-dihydro-1H-chromeno[3,4-b]pyridin-5-one —— C23H23N2O4+
    9-hydroxy-4-[2-(1,2,3,4-tetrahydroisoquinolin-2-ium-2-yl)acetyl]-2,3-dihydro-1H-chromeno[3,4-b]pyridin-5-one
    —— 9-phenylmethoxy-4-(2-piperidin-1-ium-1-ylacetyl)-2,3-dihydro-1H-chromeno[3,4-b]pyridin-5-one —— C26H29N2O4+
    9-phenylmethoxy-4-(2-piperidin-1-ium-1-ylacetyl)-2,3-dihydro-1H-chromeno[3,4-b]pyridin-5-one
    —— cyclohexyl-[2-(9-hydroxy-5-oxo-2,3-dihydro-1H-chromeno[3,4-b]pyridin-4-yl)-2-oxoethyl]-methylazanium —— C21H27N2O4+
    cyclohexyl-[2-(9-hydroxy-5-oxo-2,3-dihydro-1H-chromeno[3,4-b]pyridin-4-yl)-2-oxoethyl]-methylazanium
    —— 4-[2-(4-benzylpiperidin-1-ium-1-yl)acetyl]-9-hydroxy-2,3-dihydro-1H-chromeno[3,4-b]pyridin-5-one —— C26H29N2O4+
    4-[2-(4-benzylpiperidin-1-ium-1-yl)acetyl]-9-hydroxy-2,3-dihydro-1H-chromeno[3,4-b]pyridin-5-one
    —— [3-(3-Methylphenoxy)-4-oxo-2-(trifluoromethyl)chromen-7-yl] 3,5-dimethoxybenzoate —— C26H19F3O7
    [3-(3-Methylphenoxy)-4-oxo-2-(trifluoromethyl)chromen-7-yl] 3,5-dimethoxybenzoate
    —— 2,3-dimethoxy-5-(4-nitrophenyl)-5H-indeno[1,2-c]isochromen-11-one —— C24H17NO6
    2,3-dimethoxy-5-(4-nitrophenyl)-5H-indeno[1,2-c]isochromen-11-one
    —— N-[2-[1,3-benzodioxol-5-ylmethyl-[(6-chloro-4-oxochromen-3-yl)methyl]amino]-2-oxoethyl]-2-(4-methoxyphenyl)-N-prop-2-enylacetamide —— C32H29ClN2O7
    N-[2-[1,3-benzodioxol-5-ylmethyl-[(6-chloro-4-oxochromen-3-yl)methyl]amino]-2-oxoethyl]-2-(4-methoxyphenyl)-N-prop-2-enylacetamide
    —— 5-methyl-N-[(6-methyl-4-oxochromen-3-yl)methylideneamino]thiophene-3-carboxamide —— C17H14N2O3S
    5-methyl-N-[(6-methyl-4-oxochromen-3-yl)methylideneamino]thiophene-3-carboxamide
    —— N,N'-(9-oxo-9H-xanthene-2,7-diyl)bis(2-methylpropanamide) —— C21H22N2O4
    N,N'-(9-oxo-9H-xanthene-2,7-diyl)bis(2-methylpropanamide)
    —— N-butan-2-yl-N-[2-[(4-fluorophenyl)methyl-[(4-oxochromen-3-yl)methyl]amino]-2-oxoethyl]hexanamide —— C29H35FN2O4
    N-butan-2-yl-N-[2-[(4-fluorophenyl)methyl-[(4-oxochromen-3-yl)methyl]amino]-2-oxoethyl]hexanamide
    —— 7-chloro-1-(4-methoxyphenyl)-2-[5-(2-methylpropyl)-1,3,4-thiadiazol-2-yl]-1H,2H,3H,9H-chromeno[2,3-c]pyrrole-3,9-dione —— C24H20ClN3O4S
    7-chloro-1-(4-methoxyphenyl)-2-[5-(2-methylpropyl)-1,3,4-thiadiazol-2-yl]-1H,2H,3H,9H-chromeno[2,3-c]pyrrole-3,9-dione
    —— (2-ethylsulfanyl-4,5-dihydroimidazol-1-yl)-(9H-xanthen-9-yl)methanone —— C19H18N2O2S
    (2-ethylsulfanyl-4,5-dihydroimidazol-1-yl)-(9H-xanthen-9-yl)methanone
    —— methyl N-[4-(3,4-dimethylphenoxy)-12-ethoxyimino-15,16-bis(4-hydroxybutyl)-9-prop-2-enoxy-8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,13-tetraen-10-yl]-N-(naphthalen-1-ylmethyl)carbamate —— C50H60N2O8
    methyl N-[4-(3,4-dimethylphenoxy)-12-ethoxyimino-15,16-bis(4-hydroxybutyl)-9-prop-2-enoxy-8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,13-tetraen-10-yl]-N-(naphthalen-1-ylmethyl)carbamate
    —— N-[4-[2-(aziridin-1-yl)ethoxy]-12-ethoxyimino-15,16-bis(4-hydroxybutyl)-9-prop-2-enoxy-8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,13-tetraen-10-yl]-N-(1,3-benzodioxol-5-ylmethyl)dodecanamide —— C53H77N3O9
    N-[4-[2-(aziridin-1-yl)ethoxy]-12-ethoxyimino-15,16-bis(4-hydroxybutyl)-9-prop-2-enoxy-8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,13-tetraen-10-yl]-N-(1,3-benzodioxol-5-ylmethyl)dodecanamide
    —— N-[15,16-bis(4-hydroxybutyl)-4-(4-methylsulfanylphenoxy)-12-(oxan-2-yloxyimino)-9-prop-2-enoxy-8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,13-tetraen-10-yl]-2-(3-methoxyphenyl)-N-propylacetamide —— C51H66N2O9S
    N-[15,16-bis(4-hydroxybutyl)-4-(4-methylsulfanylphenoxy)-12-(oxan-2-yloxyimino)-9-prop-2-enoxy-8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,13-tetraen-10-yl]-2-(3-methoxyphenyl)-N-propylacetamide
    —— [2-[(3-Ethoxycarbonyl-4-thiophen-2-ylthiophen-2-yl)amino]-2-oxoethyl] 4-oxochromene-2-carboxylate —— C23H17NO7S2
    [2-[(3-Ethoxycarbonyl-4-thiophen-2-ylthiophen-2-yl)amino]-2-oxoethyl] 4-oxochromene-2-carboxylate
    —— [2-[[3-ethoxycarbonyl-4-(2-methylpropyl)thiophen-2-yl]amino]-2-oxoethyl] 9H-xanthene-9-carboxylate —— C27H27NO6S
    [2-[[3-ethoxycarbonyl-4-(2-methylpropyl)thiophen-2-yl]amino]-2-oxoethyl] 9H-xanthene-9-carboxylate
    —— 1-Benzyl-3-tert-butyl-1-[(6-methyl-4-oxochromen-3-yl)methyl]urea —— C23H26N2O3
    1-Benzyl-3-tert-butyl-1-[(6-methyl-4-oxochromen-3-yl)methyl]urea
    —— ethyl N-(1,3-benzodioxol-5-ylmethyl)-N-[15,16-bis(4-hydroxybutyl)-4-naphthalen-2-yloxy-12-[(4-nitrophenyl)methoxyimino]-9-prop-2-enoxy-8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,13-tetraen-10-yl]carbamate —— C55H59N3O12
    ethyl N-(1,3-benzodioxol-5-ylmethyl)-N-[15,16-bis(4-hydroxybutyl)-4-naphthalen-2-yloxy-12-[(4-nitrophenyl)methoxyimino]-9-prop-2-enoxy-8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,13-tetraen-10-yl]carbamate
    —— 2-phenylmethoxyethyl N-[4-(dodecylcarbamoyloxy)-15,16-bis(4-hydroxybutyl)-12-(oxan-2-yloxyimino)-9-prop-2-enoxy-8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,13-tetraen-10-yl]-N-(naphthalen-1-ylmethyl)carbamate —— C66H89N3O11
    2-phenylmethoxyethyl N-[4-(dodecylcarbamoyloxy)-15,16-bis(4-hydroxybutyl)-12-(oxan-2-yloxyimino)-9-prop-2-enoxy-8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,13-tetraen-10-yl]-N-(naphthalen-1-ylmethyl)carbamate
    —— N-[2-[benzyl-[(6-methyl-4-oxochromen-3-yl)methyl]amino]-2-oxoethyl]-N-(3-methoxypropyl)-2-phenylacetamide —— C32H34N2O5
    N-[2-[benzyl-[(6-methyl-4-oxochromen-3-yl)methyl]amino]-2-oxoethyl]-N-(3-methoxypropyl)-2-phenylacetamide
    —— N-[4-[(3,4-dimethyl-1,2-oxazol-5-yl)sulfamoyl]phenyl]-9H-xanthene-9-carboxamide —— C25H21N3O5S
    N-[4-[(3,4-dimethyl-1,2-oxazol-5-yl)sulfamoyl]phenyl]-9H-xanthene-9-carboxamide
    —— N-[15,16-bis(4-hydroxybutyl)-4-naphthalen-2-yloxy-12-[(4-nitrophenyl)methoxyimino]-9-prop-2-enoxy-8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,13-tetraen-10-yl]-N-[(4-fluorophenyl)methyl]dodecanamide —— C63H76FN3O9
    N-[15,16-bis(4-hydroxybutyl)-4-naphthalen-2-yloxy-12-[(4-nitrophenyl)methoxyimino]-9-prop-2-enoxy-8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,13-tetraen-10-yl]-N-[(4-fluorophenyl)methyl]dodecanamide
    —— dodecyl N-[4-[(2,4-dimethoxyphenyl)carbamoyloxy]-15,16-bis(4-hydroxybutyl)-12-phenylmethoxyimino-9-prop-2-enoxy-8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,13-tetraen-10-yl]-N-[2-(2-hydroxyethoxy)ethyl]carbamate —— C60H85N3O13
    dodecyl N-[4-[(2,4-dimethoxyphenyl)carbamoyloxy]-15,16-bis(4-hydroxybutyl)-12-phenylmethoxyimino-9-prop-2-enoxy-8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,13-tetraen-10-yl]-N-[2-(2-hydroxyethoxy)ethyl]carbamate
    —— (4-nitrophenyl) N-[4-(benzylcarbamoyloxy)-15,16-bis(4-hydroxybutyl)-12-methoxyimino-9-prop-2-enoxy-8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,13-tetraen-10-yl]-N-[2-(2-hydroxyethoxy)ethyl]carbamate —— C47H58N4O13
    (4-nitrophenyl) N-[4-(benzylcarbamoyloxy)-15,16-bis(4-hydroxybutyl)-12-methoxyimino-9-prop-2-enoxy-8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,13-tetraen-10-yl]-N-[2-(2-hydroxyethoxy)ethyl]carbamate
    —— (4-nitrophenyl) N-[12-ethoxyimino-4-(ethylcarbamoyloxy)-15,16-bis(4-hydroxybutyl)-9-prop-2-enoxy-8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,13-tetraen-10-yl]-N-[(4-fluorophenyl)methyl]carbamate —— C46H55FN4O11
    (4-nitrophenyl) N-[12-ethoxyimino-4-(ethylcarbamoyloxy)-15,16-bis(4-hydroxybutyl)-9-prop-2-enoxy-8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,13-tetraen-10-yl]-N-[(4-fluorophenyl)methyl]carbamate
    —— dodecyl N-[4-(benzylcarbamoyloxy)-15,16-bis(4-hydroxybutyl)-12-phenylmethoxyimino-9-prop-2-enoxy-8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,13-tetraen-10-yl]-N-[2-(2-hydroxyethoxy)ethyl]carbamate —— C59H83N3O11
    dodecyl N-[4-(benzylcarbamoyloxy)-15,16-bis(4-hydroxybutyl)-12-phenylmethoxyimino-9-prop-2-enoxy-8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,13-tetraen-10-yl]-N-[2-(2-hydroxyethoxy)ethyl]carbamate
    —— 2-[[5'-[[Carboxylatomethyl(carboxymethyl)amino]methyl]-3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-4'-yl]methyl-(carboxymethyl)amino]acetate —— C30H24N2O13-2
    2-[[5'-[[Carboxylatomethyl(carboxymethyl)amino]methyl]-3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-4'-yl]methyl-(carboxymethyl)amino]acetate