Acta Cryst. (2004). E60, o2418-o2420  [ doi:10.1107/S1600536804029836 ]

Ethyl 5-[(4,6-dimethoxypyrimidin-2-yl)ureidosulfonyl]-1-methyl-1H-pyrazole-4-carboxylate

D. Chopra, T. P. Mohan, K. S. Rao and T. N. Guru Row

Abstract: The title compound (also known as pyrazosulfuron-ethyl), C₁₄H₁₈N₆O₇S, is a potent agrochemical exhibiting herbicidal activity. There are intramolecular N-HN and C-HO hydrogen bonds. Molecules are linked via cyclic hydrogen bonds, forming zigzag chains along the b axis.

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