p-menthane-8,9-dioic acid diethyl ester

triethyl α,α',α-tris(ethoxycarbonyl)benzene-1

2,4,5-trifluoro-3-methyl-6-nitrobenzoyl chloride

2-Aethoxycarbonyl-15-acetoxy-pentadecen-(2)-saeure-aethylester

diethyl 2-(2-(methylthio)ethyl)malonate