4-18-00-00342 (Beilstein Handbook Reference) 5826-85-7 BRN 0280017 Methyl Potasan O,O-Dimethyl-O-(4-methyl-7-kumarinyl) ester kyseliny thiofosforecne [Czech] Phosphorothioic acid, O,O-dimethyl O-(4-methyl-7-cumarinyl) ester Phosphorothioic acid, O,O-dimethyl ester, O-ester with 7-hydroxy-4-methylcoumarin (8CI) Umbelliferone, 4-methyl-, O,O-dimethyl phosphorothioate