has role has parent hydride renoprotective agent 5alpha-androstane quaternary ammonium ion analgesic androstane cardiovascular drug antineoplastic agent 3alpha-hydroxy steroid morpholines acetate ester steroid ester tertiary amino compound muscle relaxant drug allergen rocuronium CHEBI:8884 A 5α-androstane compound having 3α-hydroxy-, 17β-acetoxy-, 2β-morpholino- and 16β-<em>N</em>-allyllyrrolidinium substituents. antidote to organophosphate poisoning