“…2,3) Natural products with a maleic anhydride structure are valuable antifungal agents, enzyme inhibitors, and herbicides. 4) Among them, tautomycin 1, 5,6) tautomycetin 2, 7) viburspiran 3, 8) phomoidride A 4, 9,10) phomoidride B 5, 9,10) zop ellin 6, 11,12) heveadride 7, 13,14) and scytalidin 8 [15][16][17] (Fig. 1) have good antifungal activities.…”