C21H23N2O2P	F(000) = 776
Mr = 366.38	Dx = 1.259 Mg m−3
Monoclinic, P21/c	Mo Kα radiation, λ = 0.71073 Å
Hall symbol: -P 2ybc	Cell parameters from 600 reflections
a = 12.157 (3) Å	θ = 1–14°
b = 8.978 (2) Å	µ = 0.16 mm−1
c = 18.080 (5) Å	T = 293 K
β = 101.569 (1)°	Priem, colourless
V = 1933.3 (8) Å3	0.6 × 0.54 × 0.47 mm
Z = 4