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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C1—H1⋯O4i	0.95	2.53	3.463 (3)	169
C4—H2⋯O2ii	0.95	2.35	3.250 (3)	158
C6—H3⋯O5iii	0.95	2.27	3.191 (3)	164

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