1-Propanone, 1-[10-[3-[4-(2-hydroxyethyl)-1-piperazinyl]propyl]-10H-phenothiazin-2-yl]-, (2Z)-2-butenedioate (1:2) (salt) 2975-34-0 AIDS-031736 AIDS031736 Carphenazine dimaleate NSC71755 Proketazine maleate