Synonyms: 6H,7H-Cyclopenta[7,8]cyclopropa[4a,4b]phenanthro[2,1-c]isoxazole,9,19-cyclopregnano[3,4-c]isoxazole deriv.; 1H,6H-Cyclopenta[7,8]cyclopropa[4a,4b]phenanthro[2,1-c]isoxazole,9-ethyl-4,5,8,8a,9,10,11,11a,11b,12,13,13a-dodecahydro-8a-methyl-,[8aR-(5aR*,6aS*,8aa,9a,11ab,11ba)]-; [5aR-(5aR*,6aS*,8aa,9a,11ab,11ba)]-9-Ethyl-4,5,8,8a,9,10,11,11a,11b,12,13,13a-dodecahydro-8a-methyl-6H,7H-cyclopenta[7,8]cyclopropa[4a,4b]phenanthro[2,1-c]isoxazole