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Synthesis of 4-amino-5-methyl-1H-pyridin-2(1H)-on (intermediate compound for the synthesis of the MR antagonist finerenone) from 2-chloro-5-methyl-4-nitro-pyridine-1-oxide using the intermediate compound 2-chloro-5-methyl-4-pyridinamine

US Patent 12358877 · Granted Jul 15, 2025

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