TANIGUCHI TAKAHIKO,KAWADA AKIRA,KONDO MITSUYO,QUINN JOHN F,KUNITOMO JUN,YOSHIKAWA MASATO,FUSHIMI MAKOTO
申请号：
ZA201106074
公开号：
ZA201106074B
申请日:
2011.08.18
申请国别(地区):
ZA
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 (I 0 ): wherein R 1 represents a substituent, R 2 represents a hydrogen atom, or a substituent, R 3 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.
