Preparation of guanidine or its derivatives, i.e. compounds containing the group , the singly-bound nitrogen atoms not being part of nitro or nitroso groups of guanidine from cyanamide, calcium cyanamide or dicyandiamides
Preparation of guanidine or its derivatives, i.e. compounds containing the group , the singly-bound nitrogen atoms not being part of nitro or nitroso groups of guanidine from cyanamide, calcium cyanamide or dicyandiamides