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(2007/10/02)2-carboethoxy-7-(4-(quinolin-2-yl-methoxy)phenoxymethyl)-4-oxo-4H-1-benzopyran
8-nitro-4-oxo-4H-1-benzopyran-2-carbonitrile
ethyl 8-nitro-4-oxo-4H-benzopyran-2-carboxylate
8-nitro-4-oxo-4H-1-benzopyran-2-carboxamide