上游原料
3,4-Dihydro-2H-pyran;2,3-Dihydro-4H-pyran; 5,6-Dihydro-4H-pyran;Dihydropyranacetyl chloride3-methyl-3-sulfanylbutyric acid3-methyl-3-(tetrahydro-2H-pyran-2-ylsulfanyl)butyric acid2-methyl-2-(tetrahydro-2H-pyran-2-ylsulfanyl)butyric anhydridemethyl (1R,2S,4aR,13bS,14aS)-2-hydroxy-1,2,3,4,4a,5,7,8,13,13b,14,14a-dodecahydroindolo[2',3':3,4]pyrido[1,2-b]isoquinoline-1-carboxylatemethyl (1R,2S,4aR,13bS,14aS)-2-[[3-methyl-3-(tetrahydro-2H-pyran-2-ylsulfanyl)butanoyl]oxy]-1,2,3,4,4a,5,7,8,13,13b,14,14a-dodecahydroindolo[2',3':3,4]pyrido[1,2-b]isoquinoline-1-carboxylatemethyl (1R,2S,4aR,13bS,14aS)-13-acetyl-2-[[3-(acetylsulfanyl)-3-methylbutanoyl]oxy]-1,2,3,4,4a,5,7,8,13,13b,14,14a-dodecahydroindolo[2',3':3,4]pyrido[1,2-b]isoquinoline-1-carboxylatemethyl (1R,2S,4aR,13bS,14aS)-13-acetyl-2-[(3-methyl-3-sulfanylbutanoyl)oxy]-1,2,3,4,4a,5,7,8,13,13b,14,14a-dodecahydroindolo[2',3':3,4]pyrido[1,2-b]isoquinoline-1-carboxylate