86262-21-7 | Cuprate(4-), [2-(amino-kN)ethanol-kO]ammine[m-[7-(benzoylamino)-3-[2-[3,3'-di(hydroxy-kO)-4'-[2-[1-(hydroxy-kO)-4,8-disulfo-2-naphthalenyl]diazenyl-kN1][1,1'-biphenyl]-4-yl]diazenyl-kN1]-4-(hydroxy-kO)-1,5-naphthalenedisulfonato(8-)]]di-,sodium (1:4) | C41H29 Cu2 N7 O18 S4 . 4 Na |