3-(10-(5-Chlorofuran-2-yl)-1,3-dimethyl-2,4-dioxo-2,3,4,7,8,10-hexahydro-1H-pyrimido[4',5':3,4]pyrrolo[2,1-c][1,4]thiazin-5-yl)benzonitrile (HCID 77105415)|Huagongshe