1-(6-fluoro-3,5-dihydroxy-10,13-dimethyl-1,2,3,4,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-17-yl)ethanone

2,3,3-trichloro-2-(oxolan-2-yloxy)oxolane,tungsten

1-methyltetrahydro-1H-furan-1-ium

甲醚

4-[(4-methoxyphenyl)amino]butan-1-ol