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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1⋯O2	0.95 (4)	1.67 (4)	2.602 (2)	170 (3)
N3—H3⋯O6	0.90 (4)	1.84 (4)	2.719 (3)	166 (3)
O4—H4⋯N2i	0.80 (4)	1.99 (4)	2.741 (3)	155 (4)
O8—H8⋯N4ii	0.93 (5)	2.07 (5)	2.875 (3)	144 (4)
C13—H13⋯N4iii	0.95	2.55	3.407 (3)	150
C14—H14⋯O3iv	0.95	2.42	3.209 (3)	141
C16—H16⋯Cl3v	0.95	2.71	3.431 (3)	133
C17—H17⋯O1vi	0.95	2.30	3.194 (3)	157
C19—H19⋯O2	0.95	2.25	3.192 (3)	170
C20—H20⋯Cl1	0.95	2.83	3.626 (3)	142
C23—H23⋯O5vii	0.95	2.14	3.040 (3)	158

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