Use of 5-benzoyl-2-thiophene acetic acid or 1-benzoyl-3-phenyl acetic acid derivs. as analgesics

摘要

Use of 5-benzoyl-2-thiophene acetic acid or 1-benzoyl-3-phenyl acetic acid derivs. of formula (I) as analgesics. R1 = H or 1-4C alkyl; R3 = H, halo, 1-4C alkyl or trihalomethyl; A = (CH2)n, 3-7C cycloalkylene or (CH2)ncycloalkylene; n = 1-5; B = thiophenylene or phenylene (both substd. by R2); R2 = H or 1-4C alkyl.