1-Piperazinecarbodithioic acid 5-23-01-00067 (Beilstein Handbook Reference) 99-00-3 BRN 0116259 Caswell No. 668A EINECS 202-720-2 EPA Pesticide Chemical Code 067403 N-Piperazinedithioacarboxylic acid NSC 13506 NSC 5146 PHD Parvex Picadex Piperazine - carbon disulfide complex Piperazine-1-carbodithioic acid betaine Piperazine-1-dithiocarboxylic acid Piperazine-carbon disulfide complex Safersan