"rhodamine 123" . . . . . . . "Rhodamine 123" . . . . . "7-Amino-10-[2-(methoxycarbonyl)phenyl]-2H-xanthene-2-iminium chloride" . . "Rhodamine 123" . . . "Rhodamine 123, EINECS 263-687-8, RH 123, LS-162564, C11190" .