Stemphyperylenol exhibits potent antifungal activity against Alternaria solani, a plant pathogen, with a minimum inhibitory concentration (MIC) value of 1.57 μM.
D-calycanthine has antifungal activity, it shows significant inhibitory activities against five plant pathogenic fungi Exserohilum turcicum, Bipolaris maydis, Alternaria solani, Sclerotinia sderotiorum, and Fusarium oxysportium.