"(3\u03B2,25S)-Spirost-5-en-3-ol" . . . . . "yamogenin" . . "Yamogenin" . "(2S,4aR,4bS,6aS,6bR,7S,8R,9aS,10aS,10bS)-4a,5\u2032,6a,7-Tetramethyl-1,2,3,4,4a,4b,5,6,6a,6b,7,9a,10,10a,10b,11-hexadecahydrospiro[naphtho[2\u2032,1\u2032:4,5]indeno[2,1-b]furan-8,2\u2032-oxan]-2-ol" . . . . "Yamogenin" . . . . . . . . . . . . . . .