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

Cg is defined as the centre of gravity of the rings: Cg1 is ring C1–C6 and Cg2 is C10/C11/C12/C10′/C11′/C12′, with primed atoms generated by the symmetry code (−x + 1, −y, z).

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1N⋯O1i	0.84 (4)	2.32 (3)	3.091 (3)	153 (3)
N2—H2N⋯O1i	0.88 (3)	2.08 (4)	2.937 (3)	163 (3)
O3—H3O⋯O4A ii	0.90 (3)	1.73 (3)	2.623 (7)	175 (7)
C5—H5⋯O2iii	0.95	2.55	3.464 (4)	161
C8—H8⋯O2iii	1.00	2.70	3.629 (4)	155
C11—H11⋯O1	0.95	2.35	2.916 (3)	118
C14A—H14B⋯O3iv	0.99	2.78	3.581 (18)	139
C16A—H16A⋯Cg1v	0.99	2.61	3.497 (8)	149
C16B—H16D⋯Cg1v	0.99	2.82	3.449 (10)	122
C17A—H17B⋯Cg2vi	0.99	3.00	3.574 (8)	118

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