TANIGUCHI TAKAHIKO,KAWADA AKIRA,KONDO MITSUYO,QUINN JOHN F,KUNITOMO JUN,YOSHIKAWA MASATO,FUSHIMI MAKOTO
申请号：
IN3500/KOLNP/2011
公开号：
IN2011KN03500A
申请日:
2011.08.22
申请国别(地区):
IN
年份:
2012
代理人:
摘要：
The present invention provides a compound which has the effect of PDE inhibition, and which is useful as a medicament for preventing or treating schizophrenia or so on. A compound of formula (I0): wherein R1 represents a substituent, R2 represents a hydrogen atom, or a substituent, R3 represents a hydrogen atom, or a substituent, Ring A represents an aromatic ring which can be substituted, and Ring B represents a 5-membered heteroaromatic ring which can be substituted, or a salt thereof.
