88945-70-4
(S)-2-羟基戊酸乙酯
+
358-23-6
三氟甲烷磺酸酐
→
109684-05-1
ethyl 2-(trifluoromethylsulfonyloxy)pentanoate
82834-12-6
N-[(S)-乙氧羰基-1-丁基]-(S)-丙氨酸