英文别名
5-Benzyloxycarbonyl-3-ethyl-4-methyl-pyrrol-2-carbonsaeure-methylester;3-ethyl-4-methyl-pyrrole-2,5-dicarboxylic acid 5-benzyl ester 2-methyl ester;2-Benzyl 5-methyl 4-ethyl-3-methyl-1H-pyrrole-2,5-dicarboxylate;5-O-benzyl 2-O-methyl 3-ethyl-4-methyl-1H-pyrrole-2,5-dicarboxylate