| C19H17N3O | F(000) = 640 |
| Mr = 303.22 | Dx = 1.316 Mg m−3 |
| Monoclinic, P21/c | Mo Kα radiation, λ = 0.71073 Å |
| a = 10.5652 (7) Å | Cell parameters from 1114 reflections |
| b = 7.9136 (6) Å | θ = 2.8–18.2° |
| c = 20.8153 (13) Å | µ = 0.08 mm−1 |
| β = 118.408 (4)° | T = 296 K |
| V = 1530.77 (19) Å3 | Plate, yellow |
| Z = 4 | 0.21 × 0.15 × 0.11 mm |