英文别名4-Hydroxy-all-trans-Retinoic Acid; 4-Hydroxyretinoic acid; all-trans 4-Hydroxy Retinoic Acid; rac all-trans; rac all-trans 4-Hydroxy Retinoic Acid; Retinoic acid, 4-hydroxy-; Tretinoin Impurity 4; (2E,4E,6E,8E)-9-(3-hydroxy-2,6,6-trimethyl-1-cyclohexenyl)-3,7-dimethyl-nona-2,4,6,8-tetraenoic acid; (2E,4E,6E,8E)-9-(3-Hydroxy-2,6,6-trimethylcyclohex-1-en-1-yl)-3,7-dimethylnona-2,4,6,8-tetraenoic acid 
