e.g. Filippa Pettersson or Cancer Res. 75(6) , 1102-12, (2015) or 10.1002/anie.201600521
Syntheses and UV/Vis??Spectroscopic Properties of Hydrophilic 2??, 3??, and 4??Pyridyl??Substituted Solvatochromic and Halochromic Pyridinium N??Phenolate Betaine …
C Reichardt, D Che, G Heckenkemper…
Index: European Journal of Organic Chemistry, , # 12 p. 2343 - 2361