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The title compound 9-amino-7-(2-chlorophenyl)-6H-benzo[c]thiochromene-8,8,10(7H)-tricarbonitrile DMF solvate(C25H20ClN5OS,Mr = 473.97) was synthesized and crystallized.The crystal belongs to triclinic,space group P1 with a = 7.6393(2),b = 10.5212(3),c = 1