NOVEL COMPOUND (KS513) RECOVERED FROM PSEUDOLYSIMACHION ROTUNDUM VAR. SUBINTEGRUM, COMPOSITION CONTAINING SAID COMPOUND AS ACTIVE INGREDIENT, FOR PREVENTING OR TREATING ALLERGIC DISEASE, INFLAMMATORY DISEASE, ASTHMA OR CHRONIC OBSTRUCTIVE PULMONARY DISEASE AND USE THEREOF
(1aS,1bS,2S,4S,5aR,6S,6aS)-1a-(hydroxymethyl)-4-methoxy-2-(((2S,3R,5S5,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)octahydrooxireno[2′,3′:4,5]cyclopenta[1,2-c]pyran-6-yl 4-hydroxybenzoate}, the isomer thereof, the pharmaceutically acceptable salt or solvates thereof, a composition comprising the same as an active ingredient for treating allergic disease, inflammatory disease, asthma or chronic obstructive pulmonary disease (COPD) and the use thereof.