124156-24-7
cis-1-p-anisyl-3-ethyl-4-carbethoxy-2-azetidinone
→
~84%
124223-53-6
cis-1-p-anisyl-3-ethyl-4-carboxy-2-azetidinone
119873-85-7
cis-1-p-Methoxyphenyl-3-vinyl-4-ethoxycarbonylazetidinone
82290-86-6
4-(acetyloxy)-3-ethyl-2-Azetidinone