英文名称
tert-butyl N-[(4aS,7R,8aS)-8a-(2-fluorophenyl)-7-(hydroxymethyl)-4a,5,7,8-tetrahydro-4H-pyrano[4,3-d][1,3]thiazin-2-yl]carbamate;tert-butyl N-[(4aS,7S,8aS)-7-ethyl-8a-(2-fluorophenyl)-4a,5,7,8-tetrahydro-4H-pyrano[4,3-d][1,3]thiazin-2-yl]carbamate