1-(4-氯-2-硝基苯基)-1-甲基肼

7-氯-4-(1-甲基肼基)喹啉

ethyl 2,4-dimethyl-3-oxo-1H-pyrazole-5-carboxylate

2-[amino(methyl)amino]-N-methylethanamine

6-(4-bromophenyl)-2-methyl-4,5-dihydropyridazin-3-one