Synonyms: 2-Buten-1-one,1-(2,6,6-trimethyl-1,3-cyclohexadien-1-yl)-, (E)- (8CI); (E)-Damascenone; (E)-b-Damascenone;2,6,6-Trimethyl-1-trans-crotonoyl-1,3-cyclohexadiene; Damascenone; Damascenone,trans-; trans-2,6,6-Trimethyl-1-(2-butenoyl)cyclohexa-1,3-diene;trans-2,6,6-Trimethyl-1-crotonylcyclohexa-1,3-diene; trans-Damascenone; trans-b-Damascenone; b-Damascenone