| C21H21N5O3 | Z = 4 |
| Mr = 391.43 | F(000) = 824 |
| Triclinic, P1 | Dx = 1.305 Mg m−3 |
| Hall symbol: -P 1 | Mo Kα radiation, λ = 0.71073 Å |
| a = 11.5167 (13) Å | Cell parameters from 4234 reflections |
| b = 12.4026 (13) Å | θ = 2.3–25.4° |
| c = 14.9353 (16) Å | µ = 0.09 mm−1 |
| α = 78.795 (2)° | T = 298 K |
| β = 76.207 (2)° | Block, colorless |
| γ = 76.360 (2)° | 0.15 × 0.12 × 0.10 mm |
| V = 1991.7 (4) Å3 |