Dithiocarbamates are ubiquitous in many biologically important compounds. [ 3 3. (a) Caldas , ED ; Hosana , CM ; Miranda , MCC ; Souza , L. ; Lima , JF Determination of dithiocarbamate fungicide residues in food by a spectrophotometric method using a vertical disulfide reaction system . J. Agric. Food. Chem. 2001 , 49 , 4521 – 4525 ; (b) Erian , AW ; Sherif , SM The chemistry of thiocyanic esters . Tetrahedron 1999 , 55 , 7957 – 8024 ; (c) Wood , TF ; Gardner , JH ...