butyl,methoxyazetidine,azetidine
Azetidine
139721-88-3L-Proline, 1-(2-azetidinylcarbonyl)-L-prolyl-L-2-azetidinecarbonyl-,pentachlorophenyl ester, (S)-, mono(trifluoroacetate)
184760-10-91-Azetidinecarboxylic acid, 2-(2-furanyl)-4-oxo-3-[(triethylsilyl)oxy]-,1,1-dimethylethyl ester