Table 1. Inhibitory activity of compounds against SARS-CoV-2 RdRp in vitro.

Compound name	IC50 (µM)
	No detergent	+ 0.01% Triton X-100	Data figure
Suramin1	0.43	0.78	4
C646	6.1	7.8	4
BH3I-1	14	13	4
GSK-650394	31	29	4
MDK-83190	42	56	4
Cefsulodin	50	49	4

¹For a further characterisation of suramin and the suramin-related compounds NF 023, PPNDS, Evans Blue, Diphenyl Blue see Zeng et al. [46].