Synonyms: 1H,19H-Cyclopropa[9,10]cyclopenta[a]phenanthrene,D-lyxonic acid deriv.; 9,19-Cyclolanostane, D-lyxonic acid deriv.;(+)-Heinsiagenin A; Heinsiagenin A; Mussaendoside M aglycone;N-[(2S,3R,4R)-3-Methyl-4-pentanolid-2-yl]-3b-hydroxy-9,19-cyclolanosta-22E,24E-dien-27-amide