1010800-75-5Relevant articles and documents
PYRIDAZINONE DERIVATIVE AND PDE INHIBITOR CONTAINING THE SAME AS ACTIVE INGREDIENT
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Page/Page column 165-166, (2010/04/25)
It is to provide a novel pyridazinone derivative represented by the following general formula (1), which is useful as a pharmaceutical and has a phosphodiesterase inhibitory action: wherein R1 represents H or C1-6 alkyl, each of R2 and R3 represents H, X, C1-6 alkoxy, Z represents O or S, and A represents AA or BB, wherein AA represents: and BB represents: wherein R4 represents H or C1-6 alkyl, and each of R5 and R6 represents C1-6 alkyl.