4-Amino-1,3-dimethyl-5-nitrosouracil

4-Amino-1,3-dimethyl-5-nitrosouracil

2-(Methylamino)-4,6-pyrimidinediol

2-(Methylamino)-4,6-pyrimidinediol

1-Methyl-6,7-diphenyllumazine

1-Methyl-6,7-diphenyllumazine

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