英文别名
4,4'-Dimethyl-5,5'-diethyl-2,2'-bis-(ethoxycarbonyl)-pyrromethan-(3,3');5,5'-diethyl-4,4'-dimethyl-1H,1'H-3,3'-methanediyl-bis-pyrrole-2-carboxylic acid diethyl ester;5,5'-diethyl-4,4'-dimethyl-3,3'-methanediyl-bis-pyrrole-2-carboxylic acid diethyl ester;5,5'-Diaethyl-4,4'-dimethyl-3,3'-methandiyl-bis-pyrrol-2-carbonsaeure-diaethylester