21465-96-3 DIBENZO(b,e)THIEPIN-delta(sup 11(6H),gamma)-PROPYLAMINE, N,N,2-TRIMETHYL-, 5-OXI Dibenzo(b,e)thiepin-delta(sup 11(6H),gamma)-propylamine, N,N,2-trimethyl-, 5-oxide, maleate (1:1), (E)-