N-[1-(2-nitrophenyl)ethylidene]hydroxylamine

3-甲基-4,5,6,7-四氢-1H-吲唑-4-醇

2'-氟苯乙酮

1-(2-氨基苯基)-1-乙酮肟

3-methyl-1-(4-methylphenylsulfonyl)indazole