1-Ethyl-3-methyl-5-(3,4,5-trimethoxyphenyl)biuret 76267-20-4 Imidodicarbonic diamide, N-ethyl-2-methyl-N'-(3,4,5-trimethoxyphenyl)- N-Ethyl-2-methyl-N'-(3,4,5-trimethoxyphenyl)imidodicarbonic diamide