ethylestra - Robuta Search

https://webbook.nist.gov/cgi/inchi/InChI%3D1S/C22H26O3/c1-4-22(24)12-10-20-19-7-5-15-13-16(25-14(2)23)6-8-17(15)18(19)9-11-21(20%2C22)3/h5-8%2C13%2C20%2C24H%2C4%2C9-12H2%2C1-3H3 3-Acetoxy-17alpha-ethylestra-1,3,5(10),6,8-pentaen-17beta-ol