1-[3-[2-(Methylsulfonyl)-5-oxido-10H-phenothiazin-10-yl]propyl]-4-piperidinecarboxamide; 1-[3-[2-(Methylsulfonyl)-10H-phenothiazin-10-yl]propyl]-4-piperidinecarboxamide S-Oxide; 1-[3-[2-(Methylsulfonyl)phenothiazin-10-yl]propyl]isonipecotamide S-Oxide;Metopimazine Sulfoxide