Table 2. Hydrogen-bond geometry (Å, °).

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1⋯O2	0.88	2.47	3.289 (14)	154
N1—H1⋯O3i	0.88	2.35	3.181 (9)	158
N2—H2⋯O4ii	0.88	2.50	3.276 (8)	148
O1w—H1w1⋯O1iii	0.84	1.94	2.754 (11)	163
O1w—H1w2⋯O2	0.84	2.14	2.950 (18)	163
C3—H3A⋯O1Wiv	0.99	2.14	3.057 (13)	153

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