上游原料
3,4-Dihydro-2H-pyran;2,3-Dihydro-4H-pyran; 5,6-Dihydro-4H-pyran;Dihydropyran4-(chloromethyl)-5-methyl-1,3-dioxol-2-one (2R,12R,17R)-12-hydroxy-17-((1R)-1-hydroxy-1-methyl-2-[[(5-methyl-2-oxo-1,3-dioxol-4-yl)methyl]sulfanyl]-2-oxoethyl)-2,14-dimethyl-11,19-dioxo-4-thia-20-thionia-1,21-diazatricyclo[15.2.1.1(3,6)]henicosa-3(21),5,7,9,13-pentaen-20-olate
