153804-52-5 8-((3-(4-(2-Methoxyphenyl)piperazin-1-yl)-2-methylpropyl)oxy)thiochroman fumarate Piperazine, 1-(3-((3,4-dihydro-2H-1-benzothiopyran-8-yl)oxy)-2-methylpropyl)-4-(2-methoxyphenyl)-, (E)-2-butenedioate (1:1)