... Volume: Page: ... Replacement of one phenyl ring of 1-[2-(diphenylmethoxy)ethyl]-2-methyl-5- nitroimidazole (4) with heterocyclic rings, such as 2 ... 1 WT cell-based assay the racemic 1-{2-[α-(thiophen-2-yl)phenylmethoxy]ethyl}-2-methyl-5-nitroimidazole (7) (EC 50 ...