英文别名Vitamin A Impurity 71; 3-methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienylphosphonic acid,diethyl ester; diethyl 3-methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienylphosphonate; [(2E,4E)-3-Methyl-5-(2,6,6-trimethyl-cyclohex-1-enyl)-penta-2,4-dienyl]-phosphonic acid diethyl ester 
