Synonyms: Benzamide,N-[4a-hydroxy-14-methyl-20-(methylamino)-9,19-cyclo-5a,9b-pregn-6-en-3b-yl]-, 3-methylcrotonate (ester) (8CI);1H,19H-Cyclopropa[9,10]cyclopenta[a]phenanthrene, 2-butenoic acid deriv.;9,19-Cyclopregnane, 2-butenoic acid deriv.; Crotonic acid, 3-methyl-, esterwith N-[4a-hydroxy-14-methyl-20-(methylamino)-9,19-cyclo-5a,9b-pregn-6-en-3b-yl]benzamide (8CI); Buxaltin; Buxaltine