共 50 条
- [7] A general synthesis of unsymmetrical tetrasubstituted ureas JOURNAL OF ORGANIC CHEMISTRY, 1997, 62 (12): : 4155 - 4158
- [10] A general method for the solid-phase synthesis of unsymmetrical tri- and tetrasubstituted ureas JOURNAL OF COMBINATORIAL CHEMISTRY, 2002, 4 (01): : 38 - 43