title: 2-Acetyl-3-methyl-pyrazine phenyl-sulfonyl-hydrazone.
abstract: In the title compound, C(13)H(14)N(4)O(2)S, the dihedral angle between the aromatic rings is 55.42 (14)°. In the crystal structure, an N-H⋯O hydrogen bond leads to chains of mol-ecules along [001].
authors.affiliation: Department of Chemistry and Chemical Engineering, Weifang University, Weifang 261061, People's Republic of China.
authors.forename: Xi-Shi
authors.initials: XS
authors.lastname: Tai
authors.forename: Yi-Min
authors.initials: YM
authors.lastname: Feng
authors.forename: Fan-Yuan
authors.initials: FY
authors.lastname: Kong