N-(9-芴甲氧羰基)-D-谷氨酸 1-叔丁酯

S-2-羟基戊二酸

D-谷氨酸-5-苄酯

(3S,7aR)-3-Phenyltetrahydro-5H-pyrrolo[1,2-c][1,3]oxazol-5-one

(3S,7aR)-3-Phenyl-1,7a-dihydro-5H-pyrrolo[1,2-c][1,3]oxazol-5-one