Description2,2'-bipyridine-5,5'-dicarboxylic acid.jpg English: Sample of 2,2'-bipyridine-5,5'-dicarboxylic acid [CAS number: 1802-30-8]. Date 2 January
Description5,5'-dimethyl-2,2'-bipyridine.jpg 中文(中国大陆):Sample of 5,5'-dimethyl-2,2'-bipyridine. Purity: 98%. Date 4 March 2022, 17:16:52 Source Own work
DescriptionTris(bipyridine)ruthenium(II)-chloride-powder.jpg Photograph of a sample of tris(2,2′-bipyridyl)ruthenium(II) chloride hexahydrate, [Ru(bipy)3]Cl2