Synonyms: Isobutyricacid, 2,2,4-trimethyl-3-pentenyl ester (6CI,7CI,8CI); Propanoic acid,2-methyl-, 2,2,4-trimethyl-3-pentenyl ester (9CI); 3-Penten-1-ol,2,2,4-trimethyl-, isobutyrate (8CI); 2,2,4-Trimethyl-3-penten-1-yl isobutyrate;2,2,4-Trimethyl-3-pentenyl isobutyrate