Synonyms: 1H-Cyclopenta[7,8]phenanthro[2,3-b]furan,androst-2-eno[3,2-b]furan deriv.; 1H-Cyclopenta[7,8]phenanthro[2,3-b]furan,2,3,3a,3b,4,5,5a,6,10,10a,10b,11,12,11a-tetradecahydro-10a,12a-dimethyl-,[3aS-(3aa,3bb,10ab,10ba,12ab)]-; [3aS-(3aa,3bb,10ab,10ba,12ab)]-2,3,3a,3b,4,5,5a,6,10,10a,10b,11,12,12a-Tetradecahydro-10a,12a-dimethyl-1H-cyclopenta[7,8]phenanthro[2,3-b]furan