英文名称
[(2E,4E)-3-Methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadien-1-yl]triphenyl-phosphonium Bromide
[(2E,4E)-3-Methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadien-1-yl]triphenyl-phosphonium Bromide is used in the synthesis of all-trans-retinoic acid (ATRA), a precursor of vitamin A.