2-.alpha.-Hydroxybenzimidazole 2-Benzimidazolinone 2-Benzimidazolol 2-Benzimidazolone 2-Hydroxybenzimidazole 2-Oxobenzimidazole 2H-Benzimidazol-2-one, 1,3-dihydro- 615-16-7 Benzamidazole-2(3H)-one N,N'-(1,2-Phenyleneurea) NSC10383 Urea, N,N'-(1,2-phenylene)- WLN: T56 BNVNJ o-Phenyleneurea