Synonyms: Butanedioic acid, 2-(2,4,4-trimethylpentyl)-, 1,4-dimethyl ester, didehydro deriv.;Butanedioic acid, (2,4,4-trimethylpentyl)-, dimethyl ester, didehydro deriv.;Dimethyl (2,4,4-trimethylpentyl)succinate, didehydro derivative;dimethyl 2-[(1Z)-2,4,4-trimethylpent-1-en-1-yl]butanedioate