Table 2. Hydrogen-bond geometry (Å, °).

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N3—H3N⋯O3	0.86 (2)	1.78 (2)	2.634 (3)	172 (3)
C13—H13⋯O2ii	0.93	2.38	3.211 (4)	149
C16—H16⋯O3iii	0.93	2.49	3.377 (3)	159

Symmetry codes: (ii) ; (iii) .