A larger Stokes shift (the difference between the absorption and emission wavelengths) is generally preferred for fluorescence markers. It reduces the chances of self-quenching and allows for more accurate imaging.
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3-Ethyl-2-[(E)-2-(4-hydroxy-phenyl)-vinyl]-benzothiazol-3-ium; iodide
benzyl 5-bromo-2-[(4-methoxyphenyl)ethynyl]phenylcarbamate
diethyl (2-formyl-4-methylphenyl) phosphate
ROSE BENGAL DIACETATE
Benzenamine, 4-(7-bromo-2,1,3-benzothiadiazol-4-yl)-N,N-dimethyl-
5-{4-[(E)-2-(4-Methylphenyl)ethen-1-yl]phenyl}tetrazole
Benzenethiol, 2-amino-4,5-dimethoxy-
2,6-di-tert-butyl-4-methylphenyl (cyclohexen-3-yl)acetate
1,9-diformyl-meso-tolyl dipyrromethane
Benzoic acid, 4-[2-(1-hexynyl)-1,3-dithiolan-2-yl]-, methyl ester
C7H7O3S(1-)*C15H13ClNS2(1+)
Methyl 2-[(dimethylcarbamothioyl)-oxy]-4-methoxybenzoate
1-Phospha-1-butyne, 3,3-dimethyl-
N-(2-oxo-2-phenylethyl)-7-diethylamino-2-oxo-2H-chromene-3-carboxamide
1H-Indole, 3-[2-(4-methoxyphenyl)ethenyl]-, (E)-
