hydrazone diethylidine thicarbonohydrazide

3-甲基-2-丁酮

2-bromo-1-phenylethanone phenylsulfonylhydrazone

N'-(2-bromo-1-(4-chlorophenyl)ethylidene)benzenesulfonohydrazide

N'-(2-bromo-1-(4-bromophenyl)ethylidene)benzenesulfonohydrazide