1-(2-phenylethyl)-3,1-benzoxazine-2,4-dione

4-氧代-4H-3,1-苯并恶嗪-2-甲酰氯

3-ethylquinazolin-4-one

2-氨基-n-乙基苯甲酰胺

3'-ethyl-1'H-spiro[indoline-3,2'-quinazoline]-2,4'(3'H)-dione