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

(1-ethynylcyclohexyl) methyl carbonate

methyl 6-formyl-2,3-dimethoxybenzoate

2,5-Bis(methoxycarbonyl)-3,4-dimethoxybenzaldehyde

methyl N-(4-iodophenyl)carbamate