| abstract |
A new compound of formula (I) wherein R 1 is alkoxycarbonyl or the like, R 1 is alkyl or the like; R represents hydrogen or the like; R is alkylene or the like; R 1 is an optionally substituted heterocyclic group; R, R, R and R are independently hydrogen, alkyl, alkoxy or the like; R 1 is an optionally substituted aromatic ring or the like; or its pharmaceutically acceptable salt, which has inhibitory activity against cholesteryl ether transfer protein (CETP). |