6-tert-Butyl-4-iso­propyl­idene­amino-3-methyl­sulfanyl-1,2,4-triazin-5(4H)-one

The title compound, C₁₁H₁₈N₄OS, a herbicide, crystallizes in an orthorhombic non-centrosymmetric space group. The crystal structure is stabilized by C—H...N and C—H...O intermolecular interactions.