1,1'-(9H-Xanthene-2,7-diyl)bis(2-piperidinoethanone) hydrochloride hydrate (2:4:7) 37971-96-3 ETHANONE, 1,1'-(9H-XANTHENE-2,7-DIYL)BIS(2-PIPERIDINO-, HYDROCHLORIDE, HYDRATE ( Ethanone, 1,1'-(9H-xanthene-2,7-diyl)bis(2-piperidino-, hydrochloride, hydrate (2:4:7) NSC 288397