Synonyms: 2,6-cis-(2(1),2(2))-alpha-Ionone, cis-;3-Buten-2-one, 4-(2,5,6,6-tetramethyl-2-cyclohexen-1-yl)-;4-(2,5,6,6-Tetramethyl-2-cyclohexen-1-yl)-3-buten-2-one;5-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-4-penten-3-one;6-Methyl-alpha-ionone;AI3-36190;BRN 1343498;Cyclocitrylidenebutanone, alpha-;Cyclocitrylidenemethyl ethyl ketone, alpha-;EINECS 201-219-6;FEMA No. 2597;Methyl alpha-ionone;Methyl-alpha-ionone;alpha-Inone, methyl- (6CI);alpha-Ionone, methyl-;4-(2,5,6,6-Tetramethylcyclohex-2-enyl)but-3-en-2-one;Irone, alpha-;4-(2,5,6,6-tetramethylcyclohex-2-en-1-yl)but-3-en-2-one;(3E)-4-[(1S,5R)-2,5,6,6-tetramethylcyclohex-2-en-1-yl]but-3-en-2-one;(3E)-4-(2,5,6,6-tetramethylcyclohex-2-en-1-yl)but-3-en-2-one