1H-BenziMidazol-2-thiol, Lansoprazole EP IMpurity E, 1H-benzo[d]iMidazole-2(3H)-thione, 2-Mercapto-1H-benzimidazole, 2-Sulphanyl-1H-benzimidazole, Rabeprazole Related CoMpound C, 2-MercaptobenziMidazole, 98.0%(T), 2 - Mercapto benzene and iMidazole, 2-Mercaptobenzimidazole, MBI