2,7-Diamino-4-(3,4-dimethoxyphenyl)-4H-chromene-3-carbonitrile;2,7-Diamino-4-(3,4-dimethoxy-phenyl)-4H-chromene-3-carbonitrile;4H-1-Benzopyran-3-carbonitrile, 2,7-diamino-4-(3,4-dimethoxyphenyl)-
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