Keywords: Tetramethylrhodamine methyl ester perchlorate.svg en The chemical structure of the fluorescent dye TMRM tetramethylrhodamine methyl ester perchlorate; C<sub>25</sub>H<sub>25</sub>N<sub>2</sub>O<sub>3</sub>·ClO<sub>4</sub> drawn using Inkscape own Ninjatacoshell 2011-03-22 Cc-zero Rhodamines |