1,3-Dimethyl-5-(4-methyl-2-pyridyl)biuret 39641-29-7 Imidodicarbonic diamide, N,2-dimethyl-N'-(4-methyl-2-pyridinyl)- N,2-Dimethyl-N'-(4-methyl-2-pyridinyl)imidodicarbonic diamide