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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C11—H11C⋯O1	0.96	2.24	2.986 (5)	133
N1—H1N⋯O4i	0.81 (4)	2.09 (4)	2.891 (3)	170 (4)
C4—H4⋯O3ii	0.93	2.55	3.427 (3)	158

Symmetry codes: (i) ; (ii) .