23491-44-3 4-(5-(4-Methyl-1-piperazinyl)(2,5'-bi-1H-benzimidazol)-2'-yl)phenol Bisbenzimidazole EINECS 245-689-0 Phenol, 4-(5-(4-methyl-1-piperazinyl)(2,5'-bi-1H-benzimidazol)-2'-yl)- Phenol, p-(5-(5-(4-methyl-1-piperazinyl)-2-benzimidazolyl)-2-benzimidazolyl)- Pibenzimol p-(5-(5-(4-Methyl-1-piperazinyl)-2-benzimidazolyl)-2-benzimidazolyl)phenol p-(5-(5-(4-Methylpiperazin-1-yl)benzimidazol-2-yl)benzimidazol-2-yl)phenol