上游原料
(8S,9S,10R,11S,13S,14S,17R)-17-Glycoloyl-11,17-dihydroxy-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one; Prednisolone2',2'-Diethoxy-11-beta-hydroxyspiro[androsta-1,4-diene-17,4'-[1,3]-dioxane]-3,5'-dione; 2',2'-Diethoxy-11-beta-hydroxyspiro[androsta-1,4-diene-17,4'-[1,3]-dioxane]-3,5'-dioneethyl (11S,17R)-17-glycoloyl-11-hydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl carbonate1-(triethoxymethoxy)ethane