Edifenphos (O-ethyl-S,S-diphenyldithiophosphate, EDDP) is a systemic fungicide that inhibits phosphatidylcholine biosynthesis.

[2][3] It was introduced in 1966 by Bayer to combat blast fungus and Pellicularia sasakii in rice cultivation.

[3] It was never authorized for use in the EU.

[4] This article about an organic compound is a stub.

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