Fig. 4From: Antivirus isoindolinone alkaloids with rare oxocyclopenta[f]isoindole frameworks isolated from the stems of flue cured tobaccoWestern-blot analysis of the accumulation of TMV-CP in the inoculated leaves treated with 20 μM of compounds 1, 3, and 4. [(a) on day 3; (b) on day 7] (CK.−: negative control; N: ningnanmycin; actin serves as the internal reference)Back to article page