Synonyms: 2'H-D-Homoandrost-16-eno[17,17a-c]furan-12-one,4-ethyl-5',17a-dihydro-2'-hydroxy-2',4,8-trimethyl-, (2'a,4b,5a,17aa)-;Chryseno[1,2-c]furan-13(1H)-one,8-ethyl-3,5,5a,5b,6,7,7a,8,9,10,11,11a,11b,12,13a,13b-hexadecahydro-3-hydroxy-3,5b,8,11a,13a-pentamethyl-,[3S-(3a,5aa,5bb,7aa,8b,11ab,11ba,13ab,13ba)]-; Phyllohemiketal B