MTe have for some time sought a method of making the above-named compound, C, H, N= C (CO, R),, but without avail. Considered as a dicarboxyl addition product of phenyl isocyanide, C, H, N= C, or as an analog of phenyl isocyanate, C, H, N= C= 0, containing the negative carbomethoxyl groups in place of oxygen, one might predict its chemical properties and behax-ior with some degree of accuracy., 4s Nefl and others have so well shown in ...