申请人:Yu Guixue
公开号:US20090324625A1
公开(公告)日:2009-12-31
Novel heterocyclic aromatic compounds are provided that are useful in stimulating endogenous production or release of growth hormone, said compounds having the general structure of formula I
wherein R
1
, R
1
′, R
2
, R
3
, R
4
, Xa, Y, Z and n are as described herein. The compounds provided herein are useful in treating obesity, osteoporosis (improving bone density) and in improving muscle mass and muscle strength.