4-(5-chloro-2-hydroxy-benzylideneamino)-2-methyl-isoxazolidin-3-one
4-(5-chloro-2-hydroxy-benzylideneamino)-isoxazolidin-3-one
2-benzyl-4-(5-chloro-2-hydroxy-benzylideneamino)-isoxazolidin-3-one
4-(5-chloro-2-hydroxy-benzylideneamino)-2-trityl-isoxazolidin-3-one
(R)-3-acetoxy-4-(2-acetoxy-5-chloro-benzylideneamino)-4,5-dihydro-isoxazole