7-Dehydrocholesterol 5,6-oxide CHEBI:192164 (1S,2R,5S,7S,9R,12R,15R,16R)-2,16-dimethyl-15-[(2R)-6-methylheptan-2-yl]-8-oxapentacyclo[9.7.0.02,7.07,9.012,16]octadec-10-en-5-ol Chemspider:111932 cholestanoid