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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C6—H6B⋯O3i	0.98	2.42	3.3825 (15)	167
C7—H7B⋯O1ii	0.98	2.5	3.3826 (15)	149
C13—H13⋯N1iii	0.95	2.62	3.2701 (16)	126
C15—H15A⋯O2iv	0.98	2.56	3.5187 (17)	165

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