. . . . . "(3S-(3\u03B1,3\u03B2,5a\u03B2,8\u03B1,10a\u03B1,10b\u03B2,10c\u03B2))-8-Ethenyl-3a,5a,7,8,9,10,10a,10c-octahydro-3a,8-dimethyl-,4H-3,10b-ethano-1H,3H-benzo[f]furo[4,3,2-de]-2-benzopyran-4-one" . . . . "Momilactone B" . . . . . . . . . "Momilactone B" . .