35614-25-6 BRN 1003409 Methandithiophosphonsaeure O-methyl-S-((oxazolo(4,5-b)pyridin-2(3H)-on-3-yl)methyl) ester O-Methyl S-(oxazolo(4,5-b)pyridin-2(3H)-on-3-ylmethyl) dithiomethylphosphonate Phosphonodithioic acid, methyl-, O-methyl ester, S-ester with 3-(mercaptomethyl)oxazolo(4,5-b)pyridin-2(3H)-one