4-(2-Benzyloxy-3,4-dimethoxy-phenyl)-6-(6-methoxy-5-nitro-quinolin-2-yl)-3-methyl-pyridine-2,5-dicarboxylic acid 2-methyl ester

4-(2-Benzyloxy-3,4-dimethoxy-phenyl)-6-formyl-2-(6-methoxy-5-nitro-quinolin-2-yl)-5-methyl-nicotinic acid

4-(2-Benzyloxy-3,4-dimethoxy-phenyl)-2-(6-methoxy-5-nitro-quinolin-2-yl)-5,6-dimethyl-nicotinic acid

methyl 5-amino-4-<2-(benzyloxy)-3,4-dimethoxyphenyl>-6-(6-methoxy-5-nitro-2-quinolyl)-3-methylpyridine-2-carboxylate