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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C3—H3A⋯Cgi	0.97	2.55	3.514 (3)	174
C4—H4⋯O12ii	0.98	2.40	3.274 (3)	149
C11—H11A⋯O12iii	0.97	2.56	3.394 (3)	145

Symmetry codes: (i) ; (ii) ; (iii) . Cg is the centroid of the C5–C10 ring.