diethyl,diazetidine,dione,azetidine
Azetidine
648418-02-41-Azetidinecarboxylic acid,3-[2-fluoro-4-[[(phenylmethoxy)carbonyl]amino]phenoxy]-, phenylmethylester
82227-66-5(3R)-3-[[(R)-2-Acetylamino-3-(4-hydroxyphenyl)-1-oxopropyl]amino]-3-methoxy-2-oxo-1-azetidinesulfonic acid