化学科研者一站式服务平台


  • (E)-(R)-4-((1R,3aS,3bS,5aS,6aS,9aR,10aR,10bS,12aR)-8,8,10a,12a-Tetramethyl-5-oxo-hexadecahydro-7,9-dioxa-dicyclopenta[a,h]phenanthren-1-yl)-pent-2-enoic acid ethyl ester

加载中...