上游原料
methyl 3,4,5-tris(acetyloxy)-6-{[2-(methylamino)-4-nitrophenyl]oxy}tetrahydro-2H-pyran-2-carboxylate3,4,5-trihydroxy-6-{[2-(methylamino)-4-nitrophenyl]oxy}tetrahydro-2H-pyran-2-carboxylic acid3,4,5-tris{[(1,1-dimethylethyl)(dimethyl)silyl]oxy}-6-{[2-(methylamino)-4-nitrophenyl]oxy}tetrahydro-2H-pyran-2-carboxylic acidphenylmethyl 3,4,5-tris{[(1,1-dimethylethyl)(dimethyl)silyl]oxy}-6-{[2-(methylamino)-4-nitrophenyl]oxy}tetrahydro-2H-pyran-2-carboxylatephenylmethyl 6-({2-[(chlorocarbonyl)(methyl)amino]-4-nitrophenyl}oxy)-3,4,5-tris{[(1,1-dimethylethyl)(dimethyl)silyl]oxy}tetrahydro-2H-pyran-2-carboxylateEtoposide; (5R,5aR,8aR,9S)-9-[[(2R,4aR,6R,7R,8R,8aS)-7,8-Dihydroxy-2-methylhexahydropyrano[3,2-d][1,3]dioxin-6-yl]oxy]-5-(4-hydroxy-3,5-dimethoxyphenyl)-5,8,8a,9-tetrahydrofuro[3',4':6,7]naphtho[2,3-d][1,3]dioxol-6(5aH)-onephenylmethyl 6-({2-[(chlorocarbonyl)(methyl)amino]-4-nitrophenyl}oxy)-3,4,5-tris{[(1,1-dimethylethyl)(dimethyl)silyl]oxy}tetrahydro-2H-pyran-2-carboxylatebenzyl (2S,3R,4S,5R,6S)-6-{2-[{[4-((5R,5aR,8aR,9S)-9-{[(2R,4aR,6R,7R,8R,8aS)-7,8-dihydroxy-2-methylhexahydropyrano[3,2-d][1,3]dioxin-6-yl]oxy}-6-oxo-5,5a,6,8,8a,9-hexahydrofuro[3',4':6,7]naphtho[2,3-d][1,3]dioxol-5-yl)-2,6-dimethoxyphenoxy]carbonyl}(methyl)amino]-4-nitrophenoxy}-3,4,5-tris{[tert-butyl(dimethyl)silyl]oxy}tetrahydro-2H-pyran-2-carboxylatebenzyl (2S,3S,4S,5R,6S)-6-{2-[{[4-((5R,5aR,8aR,9S)-9-{[(2R,4aR,6R,7R,8R,8aS)-7,8-dihydroxy-2-methylhexahydropyrano[3,2-d][1,3]dioxin-6-yl]oxy}-6-oxo-5,5a,6,8,8a,9-hexahydrofuro[3',4':6,7]naphtho[2,3-d][1,3]dioxol-5-yl)-2,6-dimethoxyphenoxy]carbonyl}(methyl)amino]-4-nitrophenoxy}-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylate
