Invention Grant
US09226921B2 Fused heterocyclic compounds as phosphodiesterases (PDES) inhibitors 有权
稠合杂环化合物作为磷酸二酯酶(PDES)抑制剂

Fused heterocyclic compounds as phosphodiesterases (PDES) inhibitors
Abstract:
The present invention provides a compound which has the effect of PDE inhibition, and which is useful as an agent for preventing or treating schizophrenia or so on represented by the formula (I):
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