3-ethyl 5-methyl (+-)-4-(2-chlorophenyl)-1,4-dihydro-2-[2-(1,3-dioxoisoindolin-2-yl)ethoxymethyl]pyridine-3,5-dicarboxylate
(+-)-4-(2-clorofenil)-1,4-diidro-2-[2-(1,3-diossoisoindolin-2-il)etossimetil]piridin-3,5-dicarbossilato di 3-etile e 5-metile