299-45-6 4-18-00-00343 (Beilstein Handbook Reference) 4-Methyl-7-hydroxycoumarin diethoxythiophosphate 4-Methylumbelliferone-O,O-diethyl thiophosphate 7-Hydroxy-4-methylcoumarin, O,O-diethyl thiophosphoric acid ester 7-Hydroxy-4-methylcoumarin, O-ester with O,O-diethyl phosphorothioate AI3-17296 BRN 0307407 Bayer E-838 Coumarin, 7-hydroxy-4-methyl-, O-ester with O,O-diethyl phosphorothioate Diethoxy thiophosphoric acid ester of 7-hydroxy-4-methyl coumarin Diethyl (4-methylumbelliferyl) thionophosphate Diethyl methylcoumarinyl thiophosphate E 834 E 838 E-838 ENT 17,296 Farbenfabriken bayer Hymecromone O,O-diethyl phosphorothioate O,O-Diaethyl-O-(4-methyl-coumarin-7-yl)-monothiophosphat [German] O,O-Diethyl O-(2-keto-4-methyl-7-alpha',beta'-benzo-alpha'-pyranyl) thiophosphate O,O-Diethyl O-(4-methyl-7-coumarinyl) phosphorothioate O,O-Diethyl O-(4-methyl-7-coumarinyl) thionophosphate O,O-Diethyl O-(4-methylcoumarinyl-7) thiophosphate O,O-Diethyl O-(4-methylumbelliferone) ester of thiophosphoric acid O,O-Diethyl O-(4-methylumbelliferone) phosphorothioate O,O-Diethyl-O-(4-methyl-7-kumarinyl) ester kyseliny thiofosforescne [Czech] O,O-Diethyl-O-(4-methylcoumarin-7-yl)-monothiofosfaat [Dutch] O,O-Dietil-O-(4-metilcumarin-7-il)-monotiofosfato [Italian] O,O-Dietyl-O-4-methylkumarinyl(7)tiofosfat [Czech] Phosphorothioic acid, O,O-diethyl O-(4-methyl-2-oxo-2H-1-benzopyran-7-yl) ester (9CI) Phosphorothioic acid, O,O-diethyl ester,