1-(2-Quinolyl)piperazine maleate 2-(1-Piperazinyl)quinoline (Z)-2-butenedioate (1:1) 2-(1-Piperazinyl)quinoline maleate 2-(1-Piperazinyl)quinoline maleate (1:1) 4774-24-7 5786-68-5 EINECS 227-314-2 MA 1291 QUIPAZINE MALEATE Quinoline, 2-(1-piperazinyl)-, (Z)-2-butenedioate (1:1) Quinoline, 2-(1-piperazinyl)-, maleate (1:1) Quipazine maleate [USAN]