| abstract |
The present invention relates to a novel (3R,5S,5aS,6R,7S,8R,8aS)-8-chloro-8a-hydroxy-5-(2-hydroxy acetoxy) hexahydro-1H-3,6-methanocyclopenta[e][1,3]dioxepin-7-yl 3,4-dihydroxybenzoate (KS534), the isomer thereof, the pharmaceutically acceptable salt or solvates thereof, a composition comprising the same as an active ingredient for preventing or treating allergic disease, inflammatory disease, asthma or chronic obstructive pulmonary disease (COPD) and the use thereof. |