| abstract |
Compounds of the formulan wherein R¹ is hydrogen or lower alkyl, R² is hydrogen or halogen, R³, R⁴ and R⁵, independently, are hydrogen, acyl or lower alkyl, provided that only one of R³, R⁴ and R⁵ can be acyl, R⁶ is hydrogen or lower alkyl, R⁷ is higher alkyl or benzyl and X is (C₃₋₇)-alkylene, nas well as enantiomes thereof, are useful for treating allergic and inflammatory disorders. They can be prepareed according to known methods. |