上游原料
3-Bromo-1-propene; 3-Bromopropene；allyl bromide2-Propen-1-ol; Allyl alcohol2,2-dimethylsuccinic acid(1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-3a-(hydroxymethyl)-1-isopropenyl-5a,5b,8,8,11a-pentamethylicosahydro-1H-cyclopenta[a]chrysen-9-ol4-[[(1R,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-9-hydroxy-1-isopropenyl-5a,5b,8,8,11a-pentamethylicosahydro-3aH-cyclopenta[a]chrysen-3-yl]methoxy]-3,3-dimethyl-4-oxobutyric acid1-[[(1R,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-9-hydroxy-1-isopropenyl-5a,5b,8,8,11a-pentamethylicosahydro-3aH-cyclopenta[a]chrysen-3-yl]methyl] 4-allyl 2,2-dimethylsuccinate4-(allyloxy)-3,3-dimethyl-4-oxobutyric acidallyl 4-chloro-2,2-dimethyl-4-oxobutanoate4-[(1R,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-3a-([[4-(allyloxy)-2,2-dimethyl-4-oxobutanoyl]oxy]methyl)-1-isopropenyl-5a,5b,8,8,11a-pentamethylicosahydro-3aH-cyclopenta[a]chrysen-9-yl] 1-allyl 2,2-dimethylsuccinate
