104114-28-5 Pt(Rh-123)(2) Rhodamine 123 (2)-tetrachloroplatinum Tetrachloroplatinate dianion-rhodamine-123 complex Xanthylium, 3,6-diamino-9-(2-(methoxycarbonyl)phenyl)-, (SP-4-1)-tetrachloroplatinate(2-) (2:1)