1236144-51-6
1-O-benzyl 3-O-tert-butyl azetidine-1,3-dicarboxylate
→
~91%
790600-78-1
1-苄基-3-氮杂丁烷-1,3-二羧酸
1001026-43-2
tert-butyl 1-(trifluoroacetyl)azetidine-3-carboxylate
~39%