2,4(1H,3H)-Quinazolinedione, 3-(2-(4-(4-fluorobenzoyl)-1-piperidinyl)ethyl)-, (R-(R*,R*))-2,3-dihydroxybutanedioate (1:1) 3-(2-(4-(4-Fluorobenzoyl)piperidino)ethyl)quinazoline-2,4(1H,3H)-dione (R-(R*,R*))-tartrate 3-(2-(4-(p-Fluorobenzoyl)-1-piperidinyl)ethyl)-2,4(1H,3H)-quinazolinedione L-tartrate 83846-83-7 84001-70-7 EINECS 281-062-8 KJK-945 Ketanserin tartrate R 49945