3,4-二苯基异恶唑

methyl 2-benzamidobenzoate

dimethyl 3-phenyl-1,2-oxazole-4,5-dicarboxylate

3-hydroxy-2-phenyl-1,3-thiazolidin-4-one

5-(溴甲基)-3-苯基-4,5-二氢-1,2-恶唑