N y YN lots using highly puri-\ N/ t N\ N/I I1 I II this procedure gave the desired product in 15- g. Cl-C C-OH+ R-NH2+ Cl-C,/C-OH HtN-C C-OH'i H~ z fied chemicals, an adaptation to larger lots was not successful. Several factors were found to be responsible for this failure. If the cyanuryl chloride was not freshly ent which also reacted, the resulting mixture not being amenable to the tion was then found to give good results. The usual procedures of ...