2-(Dicyclohexylphosphino)-2'-(dimethylamino)biphenyl213697-53-133 % similar 2'-Dicyclohexylphosphino-2,6-dimethoxy-3-sulfonato-1,1'-biphenyl hydrate sodium salt1049726-96-632 % similar 2'-Dicyclohexylphosphino-2,6-di-I-propyl-4-sulfonato-1,1'-biphenylhydratesodiumsalt870245-84-431 % similar