Fig. 1From: Overexpression of a type III PKS gene affording novel violapyrones with enhanced anti-influenza A virus activityStructures of violapyrones (1–14). 1, VLP F; 5, VLP D; 6, VLP J1; 8, VLP A; 9, VLP J; 10, VLP B; 11, VLP I; 13, VLP C; 14, VLP H. 2, 3, 4, 7 and 12 are novel VLP analoguesBack to article page