英文名称
[(7S,8S,9S,9aR)-7,8-bis(2,2-dimethylpropanoyloxy)-6-methylidene-3,4,7,8,9,9a-hexahydro-1H-pyrido[2,1-c][1,4]thiazin-9-yl] 2,2-dimethylpropanoate;[(7S,8S,9R,9aR)-7,8-bis(2,2-dimethylpropanoyloxy)-6-oxo-3,4,7,8,9,9a-hexahydro-1H-pyrido[2,1-c][1,4]thiazin-9-yl] 2,2-dimethylpropanoate