Synonyms: (2E,4E,6E,8E)-9-(4-METHOXY-2,3,6-TRIMETHYL-PHENYL)-3,7-DIMETHYL-NONA-2,4,6,8-TETRAENOIC ACID BUTYL ESTER;(2E,4E,6E,8E)-9-(4-METHOXY-2,3,6-TRIMETHYL-PHENYL)-3,7-DIMETHYL-NONA-2,4,6,8-TETRAENOIC ACID BUTYL ESTER;Acitretinbutylester;forAcitretin