Table 5.

Antiviral activities against tobacco mosaic virus.

Compound	Passivation effect (%)
	500 mg/L	100 mg/L
6–1	0	NIa
6–2	0	NI
6–3	0	NI
6–4	22.8	NI
6–5	26.4	NI
6–6	0	NI
6–7	0	NI
6–9	0	NI
6–10	29.6	NI
6–11	0	NI
6–13	0	NI
6–14	0	NI
6–15	0	NI
6–16	0	NI
6–17	0	NI
6–18	0	NI
6–19	21.4	NI
6–20	42.3	6.2
6–22	47	11.4
6–23	0	NI
6–24	0	0
6–25	46.5	6.8
6–26	0	NI
6–27	0	NI
6–28	35.8	NI
6–31	0	NI
6–34	19.5	NI
6–35	17.1	NI
Ribavirin	37.6	11.9
Ningnanmycin	56.4	27.8

^aNI = no inhibition.