6-[(E)-(carbamothioylhydrazinylidene)methyl]pyridine-2-carbothioamide

1-(carbamothioylamino)-3-(4-methylphenyl)thiourea

2-phenyl-N'-(2-phenylacetyl)acetohydrazide

1,4-bis-phenylacetyl thiosemicarbazide

1-phenylacetyl-thiosemicarbazide