(s)-4-(cbz-氨基)-5-甲基-3-氧代己酸叔丁酯

3-羟基-4-戊酸叔丁酯

琥珀酸单叔丁酯

2-[(4-fluorobutyl)oxy]pyridine

tert-butyl 2-pyridin-2-ylacetate