C21H25NO3	Dx = 1.249 Mg m−3
Mr = 339.42	Melting point = 512–514 K
Orthorhombic, P212121	Cu Kα radiation, λ = 1.54178 Å
Hall symbol: P 2ac 2ab	Cell parameters from 9832 reflections
a = 8.5619 (1) Å	θ = 5.2–68.0°
b = 11.8846 (2) Å	µ = 0.66 mm−1
c = 17.7457 (3) Å	T = 90 K
V = 1805.71 (5) Å3	Block, colourless
Z = 4	0.20 × 0.16 × 0.12 mm
F(000) = 728