(2aE,4E,5'S,6S,6'R,7R,8E,11R,13R,15S,17aR,20R,20aR,20bS)-6'-ethyl-20,20b-dihydroxy-5',6,8,19-tetramethyl-17-oxo-3',4',5',6,6',10,11,14,15,17,17a,20,20a,20b-tetradecahydro-2H,7H-spiro[11,15-methanofuro[4,3,2-pq][2,6]benzodioxacyclooctadecine-13,2'-pyran]-7
CAS No. 171249-05-1
compds. with 475482-14-5