Synonyms: 1H-Cyclopenta[7,8]phenanthro[1,10a-b]azirine,androstano[4,5-b]azirine deriv.; 1H-Cyclopenta[7,8]phenanthro[1,10a-b]azirine,3,4,4a,4b,5,6,6a,7,8,9,9a,9b,10,11-tetradecahydro-4a,6a-dimethyl-, [4aR-(4aa,4bb,6aa,9ab,9ba)]-; [4aR-(4aa,4bb,6aa,9ab,9ba)]-3,4,4a,4b,5,6,6a,7,8,9,9a,9b,10,11-Tetradecahydro-4a,6a-dimethyl-2H-cyclopenta[7,8]phenanthro[1,10a-b]azirine