(2010/04/30)
tert-butyl 2-(tetrahydro-2H-thiopyran-4-yl)hydrazine-1-carboxylate
tert-butyl 2-(tetrahydro-4H-thiopyran-4-ylidene)hydrazine-1-carboxylate
1-(4-fluorophenyl)ethanone
Tetrahydrothiopyran-4-one
tetrahydro-2H-thiopyran-4-ylhydrazine trifluoroacetic acid