1-Piperazinecarbodithioic acid, 4-methyl-, isonicotinamidomethyl ester 4-Methyl-1-piperazinecarbodithioic acid isonicotinamidomethyl ester 4-Methyl-piperazin-1-carbodithionsaeure((isonicotinoyl-amino)-methyl)-ester [German] TL0709500