| 摘要 |
Benzopyran antagonists to leucotriene B4. This invention relates to: New benzopyrans and other fused benzo-rings which are antagonists of leucotriene B4 corresponding to formula I where R1 is a phenyl or substituted phenyl group and A, n, R2 and R3 are as defined in the description. Useful in the treatment of industrial diseases due to leucotriene B4. <IMAGE>
|
