1,3-Dimethyl-2-quinoxalinone

1,3-Dimethyl-2-quinoxalinone

4-Amino-6-hydroxy-2-mercapto-5-nitrosopyrimidine

4-Amino-6-hydroxy-2-mercapto-5-nitrosopyrimidine

1,5-Diphenyltetrazole

1,5-Diphenyltetrazole

2,4-Diamino-6-hydroxy-5-nitropyrimidine

2,4-Diamino-6-hydroxy-5-nitropyrimidine

1-(2,4-Diamino-7-pteridinyl)-1-butanone

1-(2,4-Diamino-7-pteridinyl)-1-butanone

Diphenyl anilinophosphonate

Diphenyl anilinophosphonate

N-(3,4-Dimethylphenyl)-N,4-dimethyl-benzenesulfonamide

N-(3,4-Dimethylphenyl)-N,4-dimethyl-benzenesulfonamide

4-Amino-2,6-dihydroxy-5-nitropyrimidine

4-Amino-2,6-dihydroxy-5-nitropyrimidine

6-Amino-1-methyl-2-thio-uracil

6-Amino-1-methyl-2-thio-uracil