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. 2014 Jan 8;74:388–397. doi: 10.1016/j.ejmech.2013.12.055

Table 4.

Anti influaza activity of 1a–c, 2a–c_Ac, and 3c_Ac.

2-ONN derivative	Type-B		Type-A
	Type-B		H₃N₂		H₅N₁		H₁N₁
	EC₅₀^a	SI	EC₅₀^a	SI	EC₅₀^a	SI	EC₅₀^a	SI
1a	>36	ND	>2.6	0	>100	>0	26	>3.8
1b	46	>2.2	22	>4.5	32	>3.1	ND	–
1c	>100	ND	16	>4.2	>100	>0	32	>3.1
2a_Ac	>3.2	ND	24	>4.2	3.2	1.3	ND	–
2b_Ac	40	>2.2	33	>3	32	1	ND	–
2c_Ac	32	1	40	>2.5	>100	>0	ND	–
3c_Ac	>12	ND	>32	ND	>19	ND	>28	ND
Ribavirin	2.4	>130	2	>160	4.2	>76	10	>32

^a

EC₅₀ is measured in μM.