10H-phenothiazine, 4-chloro-10-ethyl- 4-chloro-10-ethyl-10H-phenothiazine InChI=1/C14H12ClNS/c1-2-16-11-7-3-4-9-13(11)17-14-10(15)6-5-8-12(14)16/h3-9H,2H2,1H