p. 3341 - 3344
(2007/10/02)2-<(2-azidoethoxy)methyl>-4-(2-chlorophenyl)-3-(2-cyanoethoxycarbonyl)-5-methoxycarbonyl-6-methyl-1,4-dihydropyridine
2-cyanoethyl 4-(2-azidoethoxy)-3-oxobutanoate
sodium ethanolate
(+)-2-<(2-azidoethoxy)methyl>-4-(2-chlorophenyl)-5-(methoxycarbonyl)-3-<(2(S)-methoxy-2-phenethoxy)carbonyl>-6-methyl-1,4-dihydropyridine
ethanol