异氰酸苯酯

丙二酸二异丙酯

7-chloro-3-phenylpyrano[3,4-e][1,3]oxazine-2,4,5-trione

methyl 6-(2-methoxy-2-oxoethyl)-2,4-dioxo-3-phenyl-1,3-oxazine-5-carboxylate

3-Methoxy-2-N-phenylcarbamoyl-glutaconsaeure-dimethylester