methyl (6-butyl-1H-benzo[d]imidazol-2-yl)carbamate-D3; N-(6-Butyl-1H-benzimidazol-2-yl)carbamic Acid Methyl Ester-d3; 5-Butyl-2-(carbomethoxyamino)benzimidazole-d3; Helatac-d3; Helmatac-d3; Methyl (5-butyl-1H-benzimidazol-2-yl)carbamate-d3; Methyl 5(6)-butyl-2-benzimidazolecarbamate-d3; Methyl 5-butylbenzimidazole-2-carbamate-d3; PBZ-d3; PBZ (fungicide)-d3; Parbendazole-d3; SKF 29044-d3