https://www.pyridazine.com/category/28682-73-7/
28682-73-7 | Heterocyclic Building Blocks-Pyridazine
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https://data.epo.org/publication-server/rest/v1.2/publication-dates/20161207/patents/EP2550265NWB1/document.html
PYRIDAZINE COMPOUNDS FOR CONTROLLING INVERTEBRATE PESTS - Patent 2550265
PYRIDAZINE COMPOUNDS FOR CONTROLLING INVERTEBRATE PESTS - Patent 2550265
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