(4aS,5R,7aS)-7a-(2-Fluoro-5-(2-(pyrazin-2-yl)-1H-imidazol-5-yl)phenyl)-5-methyl-4a,5,7,7a-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-amine (HCID 57415243)|Huagongshe