stypodiol

2,6-二甲基-1,4-苯二酚

((2,6-dimethyl-1,4-phenylene)bis(oxy))bis(tert-butyldimethylsilane)

(18a,20b)-3,11-二氧代-齐墩果-12-烯-29-酸

(4aR)-2-oxo-1.1.4a.6-tetramethyl-trans-1.2.3.4.4a.7.8.8a-octahydro-naphthalene