153804-41-2 8-((3-(4-(2-Methoxyphenyl)piperazin-1-yl)propyl)oxy)thiochroman oxalate Piperazine, 1-(3-((3,4-dihydro-2H-1-benzothiopyran-8-yl)oxy)propyl)-4-(2-methoxyphenyl)-, ethanedioate (1:1)