| C19H18N4O2·0.25H2O | F(000) = 714 |
| Mr = 1355.51 | Dx = 1.303 Mg m−3 |
| Monoclinic, P21 | Melting point: 438 K |
| Hall symbol: P 2yb | Mo Kα radiation, λ = 0.71073 Å |
| a = 8.8816 (13) Å | Cell parameters from 1165 reflections |
| b = 17.420 (2) Å | θ = 2.2–20.0° |
| c = 11.3624 (17) Å | µ = 0.09 mm−1 |
| β = 100.765 (3)° | T = 295 K |
| V = 1727.0 (4) Å3 | Block, colorless |
| Z = 1 | 0.32 × 0.26 × 0.22 mm |
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