1-methyl-3-veratroyl-2-(1-methyl-2-benzimidazolyl)-4-benzimidazoline

1,1'-dimethyl-2,3-dihydro-1H,1'H-2,2'-bibenzo[d]imidazole

1-methyl-3-anisoyl-2-(1-methyl-2-benzimidazolyl)-4-benzimidazoline

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