Detailed Instructions: In this task, you need to Translate Czech text to English.
Q: Deriváty 4-kyano-4-deformylsordarinujsou fungicidní činidla  vhodná pro léčbu a/nebo prevenci lidských a živočišných  plísňových infekcí a pro kontrolu fytopatogenních plísní  zemědělských plodin.
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
The 4-cyano-4-deformylsordarin derivatives are fungicidal agents  suitable for the treatment and / or prevention of human and animal  fungal infections and for controlling phytopathogenic fungi  agricultural crops.