39004-94-9 4-06-00-01340 (Beilstein Handbook Reference) BRN 2546720 Bis-methylparathion [Czech] O,O-Bis-p-nitrofenyl-O-methylester kyseliny thiofosforecne [Czech] O-METHYL O,O-BIS(4-NITROPHENYL) PHOSPHOROTHIOA* O-Methyl-O,O-bis-(p-nitrofenyl)thiofosfat [Czech] Phosphorothioic acid, O,O-bis(p-nitrophenyl) O-methyl ester