| 摘要 |
The present invention provides an industrially advantageous method of producing a pyridazinone compound. The present invention relates to the following method of producing a pyridazinone compound: Formula (II), (IIIa), (IV) or (IV″), Formula (IIIb), (Vb) or (V″b), Formula (VI), (I) or (I″), wherein each symbol is as described in the specification. |
