2-(4-Methylpiperazinomethyl)-5-chlorodibenz(2,3:6,7)-3a,12b-dihydrooxepin(4,5-d)-1,3-dioxolane 84646-86-6 Piperazine, 1-((5-chloro-3a,12b-dihydrodibenzo(b,f)-1,3-dioxolo(4,5-d)oxepin-2-yl)methyl)-4-methyl-