上游原料
Polyethylene glycol;1,2-Ethanediol;Monoethylene glycol; Ethylene glycolacetylene(8S,13R,14S)-13-ethyl-7,8,13,14,15,16-hexahydro-1H-cyclopenta[a]phenanthrene-3,17(2H,6H)-dione (8S,11S,13S,14S,17R)-13-ethyl-17-ethynyl-11,17-dihydroxy-1,2,6,7,8,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-onebromo(methyl)magnesium