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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C4—H4⋯O2	0.98	2.32	2.6952 (17)	102
N1—H1⋯O1i	0.881 (18)	1.958 (18)	2.8375 (16)	176.4 (16)
C7—H7⋯O2ii	0.93	2.43	3.2818 (17)	153
C14—H14A⋯O1iii	0.97	2.52	3.2411 (18)	131

Symmetry codes: (i) ; (ii) ; (iii) .