上游原料
(E)-4-(7-Methoxy-1,3-benzodioxol-5-yl)-3-(methoxycarbonyl)-3-butenoic acid(3S)-4-Methoxy-3-[(7-methoxy-1,3-benzodioxol-5-yl)methyl]-4-oxobutyric acid(4S)-4-[(7-Methoxy-1,3-benzodioxol-5-yl)methyl]dihydro-2(3H)-furanone3,4,5-Trimethoxybenzaldehyde(4S)-4-[(7-Methoxy-1,3-benzodioxol-5-yl)methyl]-3-[(E)-(3,4,5-trimethoxyphenyl)methylidene]dihydro-2(3H)-furanone(14aS)-6,7,8,9-Tetramethoxy-14,14a-dihydrobenzo[3,4]furo[3',4':6,7]cycloocta[1,2-f][1,3]benzodioxol-3(1H)-one[(7S)-7-(Hydroxymethyl)-1,2,3,13-tetramethoxy-7,8-dihydrobenzo[3,4]cycloocta[1,2-f][1,3]benzodioxol-6-yl]methanol[(7S)-6-[(acetoxy)methyl]-1,2,3,13-tetramethoxy-7,8-dihydrobenzo[3,4]cycloocta[1,2-f][1,3]benzodioxol-7-yl]methyl acetate[(7S)-1,2,3,13-Tetramethoxy-6-methylene-5,6,7,8-tetrahydrobenzo[3,4]cycloocta[1,2-f][1,3]benzodioxol-7-yl]methanolMethanesulfonic acid (6S,7R)-1,2,3,13-tetramethoxy-5,6,7,8-tetrahydrospiro[benzo[3,4]cycloocta[1,2-f][1,3]benzodioxole-6,2'-oxiran]-7-ylmethyl ester; Methanesulfonic acid (6S,7R)-1,2,3,13-tetramethoxy-5,6,7,8-tetrahydrospiro[benzo[3,4]cycloocta[1,2-f][1,3]benzodioxole-6,2'-oxiran]-7-yl methyl ester