2-Amino-5-oxo-4-[2-(trifluoromethyl)phenyl]-4H,5H-pyrano[3,2-c]chromene-3-carbonitrile;4H,5H-Pyrano[3,2-c][1]benzopyran-3-carbonitrile, 2-amino-5-oxo-4-[2-(trifluoromethyl)phenyl]-
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