2H-Pyrido(3,4-b)indole-2-carbodithioic acid, 1,3,4,9-tetrahydro-3-(hydroxymethyl)-, methyl ester, (S)- 96086-52-1 Methyl 1,2,3,4-tetrahydro-3-hydroxymethyl-beta-carboline-2-carbodithioate THMCC