The molecule is an epoxy steroid that is pregnenolone which has an epoxy group whose oxygen is attached to the 16alpha and 17alpha-positions. It is a sterol, a 20-oxo steroid, a 3beta-hydroxy-Delta(5)-steroid, a C21-steroid and an epoxy steroid.
1-[(1R,2S,4R,6S,7S,10S,11R,14S)-14-hydroxy-7,11-dimethyl-5-oxapentacyclo[8.8.0.02,7.04,6.011,16]octadec-16-en-6-yl]ethanone