Table 2. Hydrogen-bond geometry (Å, °) for A2 .

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H2N⋯O3	0.86	1.92	2.589 (4)	134
N3—H3N⋯S1i	0.86	2.80	3.615 (3)	159
C17—H17⋯S1i	0.93	2.69	3.614 (4)	174
N1—H1⋯O2ii	0.86	2.15	2.915 (4)	148
C21—H21⋯O3iii	0.93	2.57	3.399 (4)	148

Symmetry codes: (i) -x+1, y, -z+{\script{1\over 2}}; (ii) x, y+1, z; (iii) -x+1, -y-1, -z.