Thiourea, N-[4-chloro-6-[(4,9-dimethyl-7-oxo-7H-pyrano[2,3-g]benzothiazol-2-yl)amino]-1,3,5-triazin-2-yl]-N-(4,7-dimethyl-2-oxo-2H-1-benzopyran-6-yl)-
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