英文别名
2,4-Bis-(3,5-dimethyl-4-ethoxycarbonyl-pyrryl-(2))-3-(3,5-dimethyl-4-ethyl-pyrryliden-(2))-1,4-dihydroxy-cyclobuten-(1);2,4,2',4'-tetramethyl-5,5'-[4-(4-ethyl-3,5-dimethyl-pyrrol-2-ylidene)-2,3-dihydroxy-cyclobut-1-ene-1,3-diyl]-bis-pyrrole-3-carboxylic acid ethyl ester