Synonyms: Phosphorothioicacid, O,O-dimethyl ester, S-ester with 3-(mercaptomethyl)-1,2,3-benzotriazin-4(3H)-one(6CI,7CI,8CI); 1,2,3-Benzotriazine, phosphorothioic acid deriv.; Azinphosmethyloxon; Azinphosmethyl oxygen analog; Guthion oxon; Guthion oxygen analog;Guthoxon; Gutoxon; O,O-Dimethyl S-(4-oxobenzotriazino-3-methyl) phosphorothiolate;Oxoazinphos-methyl; S-3,4-Dihydro-4-oxo-1,2,3-benzotriazin-3-ylmethylO,O-dimethyl phosphorothioate