(IIa)	(IId)	(IIe)
Crystal data
Chemical formula	C26H21N5O2	C25H17Cl2N5O2	C29H21N5O2
M r	435.48	490.33	471.51
Crystal system, space group	Triclinic, P	Monoclinic, C2/c	Monoclinic, P21/n
Temperature (K)	297	297	297
a, b, c (Å)	9.8432 (6), 11.7441 (7), 12.3005 (7)	28.1916 (17), 8.0537 (5), 22.0446 (12)	9.8460 (8), 22.4303 (18), 11.0490 (9)
α, β, γ (°)	114.120 (2), 111.139 (2), 96.537 (2)	90, 109.070 (1), 90	90, 104.157 (2), 90
V (Å3)	1152.06 (12)	4730.5 (5)	2366.0 (3)
Z	2	8	4
Radiation type	Mo Kα	Mo Kα	Mo Kα
μ (mm−1)	0.08	0.31	0.09
Crystal size (mm)	0.20 × 0.20 × 0.18	0.18 × 0.15 × 0.15	0.22 × 0.21 × 0.16
Data collection
Diffractometer	Bruker APEXII	Bruker APEXII	Bruker APEXII
Absorption correction	Multi-scan (SADABS; Bruker, 2016 ▸)	Multi-scan (SADABS; Bruker, 2016 ▸)	Multi-scan (SADABS; Bruker, 2016 ▸)
T min, T max	0.868, 0.985	0.881, 0.955	0.930, 0.986
No. of measured, independent and observed [I > 2σ(I)] reflections	17379, 4050, 2957	31508, 4174, 3181	43217, 4196, 2463
R int	0.048	0.049	0.092
(sin θ/λ)max (Å−1)	0.596	0.595	0.597
Refinement
R[F 2 > 2σ(F 2)], wR(F 2), S	0.050, 0.148, 1.10	0.086, 0.155, 1.36	0.063, 0.154, 1.06
No. of reflections	4050	4174	4196
No. of parameters	301	382	327
No. of restraints	0	291	0
H-atom treatment	H-atom parameters constrained	H-atom parameters constrained	H-atom parameters constrained
Δρmax, Δρmin (e Å−3)	0.19, −0.22	0.21, −0.23	0.23, −0.27

Computer programs: APEX3, SAINT and XPREP (Bruker, 2016 ▸), SHELXT2014/5 (Sheldrick, 2015a ▸), SHELXL2014 (Sheldrick, 2015b ▸) and PLATON (Spek, 2020 ▸).