methylprednisolone and three metabolites , 17,21-dihydroxy-6 alpha-methyl-1,4-pregnadiene-3,11,20-trione , 6 alpha-methyl-17,20 beta,21-trihydroxy-1,4-pregnadiene-3,11-dione , and 6 alpha-methyl-11 beta,17,20 beta,21-tetrahydroxy-1,4-pregnadien-3-one were detected in equine urine after intraarticular administration of methylprednisolone acetate .
C0025815
methylprednisolone
C0600901
methylprednisolone acetate