Patent ID: 7550503
Filing Date: 2009-06-23
Classification: A61K,A61P,C07D

Abstract:
1. A compound represented by the formula (I): (in the formula, R 3 , R 6 , R 7 and R 21 are the same as or different from one another and each represents 1) a hydroxyl group or an oxo group formed together with the carbon atom to which each of R 2) an optionally substituted C 3) an optionally substituted unsaturated C 4) an optionally substituted C 5) an optionally substituted 5 to 14-membered heteroaralkyloxy group, 6) RCO—O— (wherein R represents 7) R 8) a halogen atom, 9) R R R 10) R 11) (R 12) (R 13) (R