3-(2-氯乙基)-2,4(1H,3H)-喹唑啉二酮

2-<3-(2-chloroethyl)ureido>benzoic acid

2-(2-chloroethylamino)-3,1-benzoxazin-4-one

3-(2-溴乙基)-1H-喹唑啉-2,4-二酮

3-(2-methoxyethyl)-1H-quinazoline-2,4-dione