18288-84-1 5,6,7,12-Tetrahydro-6-((1-methyl-3-piperidyl)methyl)-dibenz(c,f)azocine dimaleate Dibenz(c,f)azocine, 5,6,7,12-tetrahydro-6-((1-methyl-3-piperidyl)methyl)-, maleate (1:2)