N-亚硝基-N-乙基苯胺

2-cyano-non-2-enoic acid ethyl ester

双丙酮胺草酸盐

4-methyl-4-(1-nitroso-semicarbazido)-pentan-2-one

N'-(3-methyl-4-m-tolylazo-phenyl)-hydrazine-sulfonic acid