e.g. Filippa Pettersson or Cancer Res. 75(6) , 1102-12, (2015) or 10.1002/anie.201600521
Synthesis of Some New Substituted Photochromic N, N′??Bis (spiro [1??benzopyran??2, 2′??indolyl]) diazacrown Systems with Substituent Control over Ion Chelation
CJ Roxburgh, PG Sammes
Index: European Journal of Organic Chemistry, , # 4 p. 1050 - 1056