title: Ethyl 5-[(2,3-dimethyl-5-oxo-1-phenyl-2,5-dihydro-1H-pyrazol-4-yl)imino-meth-yl]-3,4-dimethyl-1H-pyrrole-2-carboxyl-ate.
abstract: In the title compound, C(21)H(24)N(4)O(3), the mol-ecule has an E configuration about the imine C=N double bond. Inter-molecular N-H⋯O hydrogen bonds assemble mol-ecules into centrosymmetric dimers.
authors.affiliation: Department of Physics and Chemistry, Henan Polytechnic University, Jiaozuo 454000, People's Republic of China.
authors.forename: Yuan
authors.initials: Y
authors.lastname: Wang
authors.forename: Wei-Na
authors.initials: WN
authors.lastname: Wu
authors.forename: Qiu-Fen
authors.initials: QF
authors.lastname: Wang