Synonyms: 9,19-Cyclo-9b-lanostan-3-one, 24-methylene-(7CI,8CI); Cycloartan-3-one, 24-methylene- (6CI); 3H,19H-Cyclopropa[9,10]cyclopenta[a]phenanthrene,9,19-cyclolanostan-3-one deriv.; 24-Methylenecycloartan-3-one;24-Methylenecycloartanone; 3-Oxo-24-methylenecycloartane