CPC C07D 405/04 (2013.01) [A61P 31/04 (2018.01); A61P 31/10 (2018.01)] | 11 Claims |
1. A 4-(4-bromophenyl)-2-alkyloxy-6-(2-oxo-2H-1-benzopyran-3-yl)pyridine-3-carbonitrile compound having the formula I:
wherein R is methyl or ethyl.
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