phosphoricacid,diethylester,esterwith3-chloro-7-hydroxy-4-methylcoumari COUMAPHOS-O-ANALOG COUMAPHOS-O-ANALOGUE COUMAPHOS-OXON PHOSPHORIC ACID 3-CHLORO-4-METHYL-2-OXO-2H-CHROMEN-7-YL ESTER DIETHYL ESTER 3-chloro-4-methyl-7-coumarinyldiethylphosphate 3-chloro-7-hydroxy-4-methyl-coumaridiethylphosphate coroxon