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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H721⋯O1i	0.909 (17)	1.924 (17)	2.7696 (12)	154.0 (14)
N2—H721⋯O52i	0.909 (17)	2.369 (16)	3.0018 (14)	126.7 (12)
N2—H722⋯O1ii	0.926 (16)	1.927 (16)	2.7402 (13)	145.4 (14)
N2—H722⋯O31ii	0.926 (16)	2.345 (16)	3.0791 (15)	136.0 (13)
C3—H3A⋯O52i	0.99	2.60	3.0002 (16)	104
C13—H13⋯O32iii	0.95	2.39	3.2159 (16)	145
C23—H23⋯O42iv	0.95	2.61	3.2827 (17)	129

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