tert-Butyl (R)-(5-(2-fluoro-5-nitrophenyl)-2,5-dimethyl-1,1-dioxido-5,6-dihydro-2H-1,2,4-thiadiazin-3-yl)carbamate 1g

tert-Butyl (R)-(5-(2-fluoro-5-nitrophenyl)-2,5-dimethyl-1,1-dioxido-5,6-dihydro-2H-1,2,4-thiadiazin-3-yl)carbamate 1g