英文别名
2,3,4-Trimethoxycarbonyl-5-(cyan-aethoxycarbonyl)-cyclopenta-2,4-dien-on;4-(ethoxycarbonyl-cyano-methyl)-5-oxo-cyclopenta-1,3-diene-1,2,3-tricarboxylic acid trimethyl ester;4-(Aethoxycarbonyl-cyan-methyl)-5-oxo-cyclopenta-1,3-dien-1,2,3-tricarbonsaeure-trimethylester