| abstract |
Compounds of formula I below are useful as anti-inflammatory, analgesic and/or anti-pyretic agents: <IMAGE> (I) in which R1 is hydrogen, nitro, amino, hydroxyl, alkoxy of one to four carbon atoms, alkyl of one to four carbon atoms or halogen; R2 is hydrogen or alkyl of one to four carbon atoms; is a saturated or unsaturated bond; A is CO, CHOH, C(R5)OH or CHOCOR6, where R5 and R6 are alkyl of one to four carbon atoms; B is alkyl of one to twelve carbon atoms; and X is H2 or O. |