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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C12A—H12A⋯O3A i	0.95	2.36	3.309 (2)	174
C14B—H14B⋯O3B ii	0.95	2.58	3.288 (2)	132
C11B—H11B⋯O1B iii	0.95	2.69	3.553 (2)	152
C21B—H21B⋯O1B iii	0.95	2.62	3.522 (2)	158

Symmetry codes: (i) -x+2, y+{\script{1\over 2}}, -z; (ii) -x+1, y+{\script{1\over 2}}, -z+1; (iii) x, y-1, z.