1(2H)-Quninoxalinecarboxylic acid, 3,4-dihydro-7-methoxy-2-((methylthio)methyl)-3-thioxo-, 1-methylethyl ester, (2S)- 1-Methylethyl 7-methoxy-2-((methylthio)methyl)-3-thioxo-3,4-dihydro-1(2H)-quinoxalinecarboxylate 163451-80-7 169312-27-0 HBY 097 Talviraline