Table 3. Experimental details.

	A1	A2
Crystal data
Chemical formula	C21H16FN3O3S	C22H18FN3O4S
M r	409.43	439.45
Crystal system, space group	Monoclinic, P21/c	Monoclinic, C2/c
Temperature (K)	298	298
a, b, c (Å)	18.3849 (13), 7.7063 (6), 13.9216 (10)	47.298 (3), 4.8054 (3), 18.4939 (10)
β (°)	100.136 (5)	100.429 (6)
V (Å3)	1941.6 (2)	4134.0 (4)
Z	4	8
Radiation type	Mo Kα	Mo Kα
μ (mm−1)	0.20	0.20
Crystal size (mm)	0.27 × 0.20 × 0.14	0.25 × 0.17 × 0.10
Data collection
Diffractometer	Bruker APEXII CCD	Bruker APEXII CCD
Absorption correction	Multi-scan (SADABS; Bruker, 2008 ▸)	Multi-scan (SADABS; Bruker, 2008 ▸)
No. of measured, independent and observed [I > 2σ(I)] reflections	31160, 4460, 2753	9841, 2188, 1751
R int	0.043	0.062
θmax (°)	27.7	20.9
(sin θ/λ)max (Å−1)	0.653	0.503
Refinement
R[F 2 > 2σ(F 2)], wR(F 2), S	0.043, 0.119, 1.04	0.046, 0.122, 1.06
No. of reflections	4460	2188
No. of parameters	262	281
H-atom treatment	H-atom parameters constrained	H-atom parameters constrained
Δρmax, Δρmin (e Å−3)	0.15, −0.17	0.20, −0.16

Computer programs: APEX2 (Bruker, 2012 ▸), SAINT (Bruker, 2008 ▸), SHELXS97 (Sheldrick, 2008 ▸), SHELXL2018/3 (Sheldrick, 2015 ▸), Mercury (Macrae et al., 2020 ▸), WinGX (Farrugia, 2012 ▸) and PLATON (Spek, 2020 ▸).