in an in vivo lymphocyte culture system in which preincubation with corticosteroids prevents subsequent phytohaemagglutinin induced dna synthesis , betamethasone 17-valerate was less active than even hydrocortisone when rat lymph node cells were used , but with human cell preparations it was more potent than either hydrocortisone or betamethasone .
C0750848
betamethasone 17-valerate
C0005308
betamethasone