157998-89-5

Androst-2-en-1-one,7-(acetyloxy)-5,6-epoxy-17-hydroxy-17-(4-hydroxy-4,5-dimethyl-3-oxo-2-oxabicyclo[3.2.1]oct-7-yl)-,[5b,6b,7a,17b,17(1R,4R,5R,7S)]-