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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1⋯O1	0.86	1.82	2.657 (2)	164
N2—H2A⋯O2	0.86	2.14	2.991 (3)	170
N3—H3⋯O3	0.86	1.93	2.781 (3)	173
N4—H4A⋯O1	0.86	2.02	2.826 (3)	156
N4—H4B⋯O5	0.86	2.07	2.857 (3)	152
C5—H5⋯O5	0.93	2.41	3.334 (3)	171
O5—H5B⋯O2i	0.82 (3)	2.03 (3)	2.833 (3)	167 (3)
O5—H5A⋯O3ii	0.80 (2)	2.10 (4)	2.845 (3)	157 (3)
C2—H2⋯O1iii	0.93	2.41	3.334 (3)	176
N2—H2B⋯O4iii	0.86	1.99	2.835 (3)	168
C11—H11⋯O3iv	0.93	2.56	3.317 (3)	138

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