153804-46-7 8-((4-Oxo-4-(4-(2-methoxyphenyl)piperazin-1-yl)butyl)oxy)thiochroman fumarate Piperazine, 1-(4-((3,4-dihydro-2H-1-benzothiopyran-8-yl)oxy)-1-oxobutyl)-4-(2-methoxyphenyl)-,(E)-2-butenedioate (1:1)