2H-azirine-3-carboxylic acid, 2-benzoyl-2-chloro-, methyl ester InChI=1/C11H8ClNO3/c1-16-10(15)8-11(12,13-8)9(14)7-5-3-2-4-6-7/h2-6H,1H methyl 2-benzoyl-2-chloro-2H-azirene-3-carboxylate