1. Ohlow, M.J. and Moosmann, B., Drug Discovery Today, 2011, vol. 16, nos. 3–4, p. 119.
2. McDowell, J.J.H., Acta Crystallogr. Sect. B, 1976, vol. 32, no. 1, p. 5.
3. Liu Yuting, Fu Qing, and Yin Dawei, Jingxi Shiyou Huagong, 2014, vol. 31, no. 3, p. 47.
4. Okafor, C.O., Dyes Pigm., 1986, vol. 7, no. 4, p. 249.
5. Phenothiazines and 1,4-Benzothiazines: Chemical and Biomedical Aspects, Gupta, R.R., Ed., Amsterdam: Elsevier, 1988.