1115-30-6 AI3-05620 Acetylsuccinic acid diethyl ester Butanedioic acid, acetyl-, diethyl ester Diethyl 2-acetylsuccinate Diethyl acetosuccinate Diethyl acetylsuccinate EINECS 214-223-8 Ethyl acetylsuccinate NSC 233 Succinic acid, acetyl-, diethyl ester