| C21H25NO4 | Dx = 1.277 Mg m−3 |
| Mr = 355.42 | Mo Kα radiation, λ = 0.71073 Å |
| Tetragonal, P421c | Cell parameters from 25 reflections |
| Hall symbol: P -4 2n | θ = 9–12° |
| a = 16.058 (2) Å | µ = 0.09 mm−1 |
| c = 14.343 (3) Å | T = 293 K |
| V = 3698.5 (11) Å3 | Block, light yellow |
| Z = 8 | 0.20 × 0.10 × 0.10 mm |
| F(000) = 1520 |