Table 1. Hydrogen-bond geometry (Å, °).

Cg4 is the centroid of the C15–C20 ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N3—H1N3⋯O2i	0.907 (19)	2.211 (19)	3.0519 (15)	153.8 (17)
O1—H1O1⋯N2ii	0.98 (2)	1.72 (2)	2.6816 (15)	168 (2)
C2—H2A⋯Cg4	0.95	2.85	3.6277 (16)	140

Symmetry codes: (i) ; (ii) .