Synonyms: 1H-Cyclopenta[7,8]phenanthro[3,2-d]isoxazole,pregn-2-eno[2,3-d]isoxazole deriv.; 1H-Cyclopenta[7,8]phenanthro[3,2-d]isoxazole,1-ethyl-2,3,3a,3b,4,5,5a,6,10,10a,10b,11,12,12a-tetradecahydro-10a,12a-dimethyl-,[1S-(1a,3ab,3ba,10aa,10bb,12aa)]-; [1S-(1a,3ab,3ba,10aa,10bb,12aa)]-1-Ethyl-2,3,3a,3b,4,5,5a,6,10,10a,10b,11,12,12a-tetradecahydro-10a,12a-dimethyl-1H-cyclopenta[7,8]phenanthro[3,2-d]isoxazole