2-Propenylphosphoramidic acid 2-chloroethyl-2,2-dichloroethenyl ester 25646-22-4 BRN 1971672 Phosphoramidic acid, 2-propenyl-, 2-chloroethyl-2,2-dichloroethenyl ester Phosphoramidic acid, allyl-, 2-chloroethyl 2,2-dichlorovinyl ester