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The title compound 2-amino-3-ethoxycarbonyl-4-(4-chlorophenyl)-4H,5H-pyrano-[3,2-c]-benzopyran-5-one (C21H16ClNO5,Mr = 397.80) has been synthesized and characterized by X-ray crystallography.It crystallizes in triclinic,space group P1 with a = 5.756(1),b