9,10-dioxo-1-(phenylamino)-9,10-dihydroanthracene-2-carboxylic acid

CAS:81-79-8

Formula:C21H13NO4

3-Pyridinecarboxylic acid, 4-(4-oxo-4H-1-benzopyran-2-yl)phenyl ester

CAS:884501-02-4

Formula:C21H13NO4

Benzoic acid, 5-isocyanato-2-(9H-xanthen-9-yl)-

CAS:194920-72-4

Formula:C21H13NO4

2,5-Pyrrolidinedione, 1-[(1-pyrenylcarbonyl)oxy]-

CAS:204705-13-5

Formula:C21H13NO4

3-Pyridinecarboxylic acid, 2-oxo-4-phenyl-2H-1-benzopyran-7-yl ester

CAS:64836-32-4

Formula:C21H13NO4

2,3,5-Pyrrolidinetrione, 4-benzoyl-1-(1-naphthalenyl)-

CAS:64869-06-3

Formula:C21H13NO4

2,3,5-Pyrrolidinetrione, 4-benzoyl-1-(2-naphthalenyl)-

CAS:64869-07-4

Formula:C21H13NO4

Benzoic acid, 4-(benzoyloxy)-, 4-cyanophenyl ester

CAS:90937-44-3

Formula:C21H13NO4

2-Propen-1-one, 1-(2-dibenzofuranyl)-3-(4-nitrophenyl)-

CAS:91035-49-3

Formula:C21H13NO4

2-Propen-1-one, 3-(2-dibenzofuranyl)-1-(4-nitrophenyl)-

CAS:91035-72-2

Formula:C21H13NO4