Synonyms: 3'H-Cyclopropa[1,2]pregna-1,4,6-triene-3,20-dione,1b,2b-dihydro-17-hydroxy-, acetate (8CI);Pregna-4,6-diene-3,20-dione, 17-hydroxy-1a,2a-methylene-, acetate (6CI,7CI);3'H-Cyclopropa[1,2]pregna-1,4,6-triene-3,20-dione,17-(acetyloxy)-1,2-dihydro-, (1b,2b)- (9CI);