10H-phenothiazine-3-methanol, alpha-(1,1-dimethylethyl)-10-methyl- 2,2-dimethyl-1-(10-methyl-10H-phenothiazin-3-yl)propan-1-ol InChI=1/C18H21NOS/c1-18(2,3)17(20)12-9-10-14-16(11-12)21-15-8-6-5-7-13(15)19(14)4/h5-11,17,20H,1-4H