2-(Ethoxycarbonylamino)benzoic acid methyl ester

2-(Ethoxycarbonylamino)benzoic acid methyl ester

2,4-Diamino-6,7-diphenyl-pteridine

2,4-Diamino-6,7-diphenyl-pteridine

N-(4-Aminobenzoyl)-DL-Glutamic acid

N-(4-Aminobenzoyl)-DL-Glutamic acid

2,4-Diaminopteridine

2,4-Diaminopteridine

6-Amino-5-nitrosouracil

6-Amino-5-nitrosouracil

N4,N4-Dimethyl-6-(4-methylphenyl)-2,4-pteridinediamine hydrochloride

N4,N4-Dimethyl-6-(4-methylphenyl)-2,4-pteridinediamine hydrochloride

N-(3,4-Dimethylphenyl)-2-(hydroxyimino)acetamide

N-(3,4-Dimethylphenyl)-2-(hydroxyimino)acetamide

2,4-Diamino-6-(p-tolyl)pteridine hydrochloride

2,4-Diamino-6-(p-tolyl)pteridine hydrochloride

2-Amino-6-(4-aminophenyl)-4(1H)-pteridinone

2-Amino-6-(4-aminophenyl)-4(1H)-pteridinone