1H-Pyrido(2,3-b)(1,4)thiazin-2(3H)-one, 6-chloro-3-(4-methyl-1-piperazinyl)- 6-Chloro-3-(4-methyl-1-piperazinyl)-1H-pyrido(2,3-b)(1,4)thiazin-2(3H)-one 94565-64-7 BRN 5599514