2,3,5,6,7,8-hexahydro-1λ⁶,4λ⁶-benzodithiine 1,1,4,4-tetraoxide

2-amino-1-phenyl-4,5,6,7-tetrahydroindole-3-carbonitrile

methyl 6-oxocyclohexene-1-carboxylate

methyl (E)-2-(2-hydroxycyclohexylidene)acetate

5,6,7,7a-tetrahydro-4H-1-benzofuran-2-one