Table 2.

The Combination index (CI) scores of DX126-262 combined with Cisplatin or 5-FU were calculated by Compusyn software

	CI: NCI-N87	DX126-262 (nM)
		0.25	0.5	1	2
Cisplatin (μM)	0.625	0.6458	0.4018	0.4122	0.2944
	1.25	0.7133	0.5294	0.5691	0.4380
	2.5	1.0473	0.8829	0.8575	0.6744
	5	1.4324	1.5020	1.5180	1.4180
	CI: NCI-N87	DX126-262 (nM)
		0.25	0.5	1	2
5-FU (μM)	0.625	0.2659	0.3044	0.3047	0.1234
	1.25	0.2705	0.3917	0.3595	0.1806
	2.5	0.3817	0.5486	0.4152	0.3092
	5	0.4985	0.8910	0.7485	0.6041