上游原料
(8S,10S)-10-[[(2R,4S,5S,6S)-4-Amino-5-hydroxy-6-methyltetrahydro-2H-pyran-2-yl]oxy]-8-glycoloyl-6,8,11-trihydroxy-1-methoxy-7,8,9,10-tetrahydro-5,12-naphthacenedione3,4-Dihydro-2H-pyran;2,3-Dihydro-4H-pyran; 5,6-Dihydro-4H-pyran;Dihydropyran(8S,10S)-10-[[(2R,4S,5S,6S)-4-amino-6-methyl-5-(tetrahydro-2H-pyran-2-yloxy)tetrahydro-2H-pyran-2-yl]oxy]-6,8,11-trihydroxy-1-methoxy-8-[2-(tetrahydro-2H-pyran-2-yloxy)acetyl]-7,8,9,10-tetrahydro-5,12-naphthacenedione
