1H-Imidazol-2-amine, N-(2,6-dichloro-4-isothiocyanatophenyl)-4,5-dihydro- 4-Isothiocyanato clonidine 81913-29-3 Clonidine 4-isothiocyanate Clonidine para-isothiocyanate Clonidine-4-isothiocyanate