alphadione , a steroidal anesthetic formulation containing alphaxalone ( 3 alpha-hydroxy-5 alpha-pregnane-11 , 20-dione ) and alphadolone acetate ( 21-acetoxy-3 alpha-hydoroxy-5 alpha-pregnane-11 , 20-dione ) in polyoxyethylated castor oil ( cremophor el ) owes its short duration of action to rapid metabolic transformation rather than the redistribution into the body fat .
C0038317
steroidal
C0033006
pregnane