Furalaxyl (CGA 38140) is a potent fungicide. Furalaxyl is highly selective to fungi of the order of the Peronosporales.
References:
[1]. A. Kerkenaar, et al. Antifungal activity of metalaxyl and furalaxyl. Pesticide Biochemistry and Physiology, Volume 15, Issue 1, February 1981, Pages 71-78
[2]. Tatiana A Kalinina, et al. Synthesis, Fungicidal Activity and Plant Protective Properties of 1,2,3-Thiadiazole and Isothiazole-Based N-acyl- N-arylalaninates. Molecules. 2023 Jan 3;28(1):419.