上游原料
(1aR,2S,5R,5aR,6S,8aS,9R,10aR)-5,5a,6-trihydroxy-4-(hydroxymethyl)-1,1,7,9-tetramethyl-1a,2,5,5a,6,9,10,10a-octahydro-1H-2,8a-methanocyclopenta[a]cyclopropa[e][10]annulen-11-one(6S,6aR,7aR,9R,9aS,12S,12aR,12bR)-12,12a-dihydroxy-2,2,7,7,9,11-hexamethyl-6,6a,7a,8,9,12,12a,12b-octahydro-4H,7H-6,9a-methanocyclopenta[9,10]cyclopropa[5,6]cyclodeca[1,2-d][1,3]dioxin-13-one(6S,6aR,7aR,9R,9aS,12S,12aS,12bR)-12a-hydroxy-2,2,7,7,9,11-hexamethyl-13-oxo-6,6a,7a,8,9,12,12a,12b-octahydro-4H,7H-6,9a-methanocyclopenta[9,10]cyclopropa[5,6]cyclodeca[1,2-d][1,3]dioxin-12-yl (Z)-2-methylbut-2-enoate(1aR,2S,5R,5aR,6S,8aS,9R,10aR)-5,5a,6-trihydroxy-4-(hydroxymethyl)-1,1,7,9-tetramethyl-1a,2,5,5a,6,9,10,10a-octahydro-1H-2,8a-methanocyclopenta[a]cyclopropa[e][10]annulen-11-one(6S,6aR,7aR,9R,9aS,12S,12aR,12bR)-12,12a-dihydroxy-2,2,7,7,9,11-hexamethyl-6,6a,7a,8,9,12,12a,12b-octahydro-4H,7H-6,9a-methanocyclopenta[9,10]cyclopropa[5,6]cyclodeca[1,2-d][1,3]dioxin-13-one2,4,6-trichlorobenzoyl chloride(Z)-2-methylbut-2-enoic acid(Z)-2,4,6-trichlorobenzoic (Z)-2-methylbut-2-enoic anhydride(6S,6aR,7aR,9R,9aS,12S,12aS,12bR)-12a-hydroxy-2,2,7,7,9,11-hexamethyl-13-oxo-6,6a,7a,8,9,12,12a,12b-octahydro-4H,7H-6,9a-methanocyclopenta[9,10]cyclopropa[5,6]cyclodeca[1,2-d][1,3]dioxin-12-yl (Z)-2-methylbut-2-enoate
