249734-37-0
benzyl [1(1S,2R)]-1-(1-phenyl-ethyl)-azetidine-2-carboxylate
→
~98%
7729-30-8
(R)-氮杂环丁烷-2-羧酸
1758-80-1
L-2,4-二氨基丁酸氢溴酸盐
25654-51-7
1-苄氧羰基-氮杂环丁烷-2-甲酸