“…Other compounds exhibited poor fungicidal activities, which demonstrated that the thiazole ring is critical for the activity of oxathiapiprolin. Subsequently, when the terminal group was replaced and the remaining thiazole and piperidine rings in the oxathiapiprolin molecule unchanged (e.g., compounds 6 , 7 , 8 , and 9 ), their fungicidal activities have not been significantly improved, instead of certain insecticidal activities ( Zhu et al, 2016 ; Ding et al, 2019a ; Ding et al, 2019c ; Ding et al, 2020 ). However, Choi et al (2015) reported a novel compound 10 with high fungicidal and insecticidal activities through the modification of the thiazole ring in 2015, with the EC 50 value of 0.98 μM against P. capsici and the LC 50 value of 0.513 μM against Cx.…”