英文别名(S)-Tert-Butyl 3-Oxotetrahydro-1H-Oxazolo[3,4-A]Pyrazine-7(3H)-Carboxylate; tert-Butyl (S)-3-oxotetrahydro-3H-oxazolo[3,4-a]pyrazine-7(1H)-carboxylate; tert-butyl (8aS)-3-oxotetrahydro-1,3-oxazolo[3,4-a]pyrazine-7(1H)-carboxylate; 3H-Oxazolo[3,4-a]pyrazine-7(1H)-carboxylic acid, tetrahydro-3-oxo-, 1,1-dimethylethyl ester, (8aS)-; tert-butyl (8aS)-3-oxo-5,6,8,8a-tetrahydro-1H-[1,3]oxazolo[3,4-a]pyrazine-7-carboxylate; (S)-7-Boc-3-oxotetrahydro-3H-oxazolo[3,4-a]pyrazine 
