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1-Isoquinolinecarbonitrile

3-Isoquinolinecarbonitrile

4-Isoquinolineboronic acid pinacol ester

4-Isoquinolineboronic acid

Isopyrin hydrochloride

1-Isoproxypropyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-pyridinecarbonitrile