11-(3-Methylaminopropyl)-11H-dibenzo(b,f)-1,4-oxathiepin hydrogen oxalate 11H-DIBENZ(b,f)-1,4-OXATHIEPIN-11-PROPANAMINE, N-METHYL-, ETHANEDIOATE 82387-11-9 N-Methyl-11H-dibenz(b,f)-1,4-oxathiepin-11-propanamine oxalate