... 1. RRGupta, “Phenothiazines and 1,4-benzothiazines Chemical and biomedical aspects” in Bioactive Molecules vol. 4, Elsevier, 1988. 2. a) F. Fungo, SA Jenekhe, AJ Bard, Chem. Mater. ... 10. P. Yu. ... 11. Fujii; Yakugaku Zasshi; 1956, 76, 644,647, 648; Chem.Abstr.; 1957; 425. 12. ...