1267666-64-7Relevant articles and documents
PHENYLPYRIDINE CARBONYL PIPERAZINE DERIVATIVE
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Page 21, (2008/06/13)
The present invention relates to a compound which is represented by the following general formula and has type 4 phosphodiesterase inhibitory action, and uses and an intermediate compound thereof. (whereinR1, R2: hydrogen, a halogen, a lower alkyl, a lower alkoxy, or the like,R3, R4: hydrogen, a (substituted) lower alkyl, a halogen, or the like,R5: hydrogen, a lower alkyl, a lower alkoxycarbonyl, or the like, andn: 0 or 1).