11119-54-3 16220-41-0 4-(3-Dimethylaminopropylidene)-4,9-dihydrothieno(2,3-b)benzo(e)thiepin-10-oxide maletate Thieno(2,3-c)(2)benzothiepin-delta(sup 4(9H),gamma)-propylamine, N,N-dimethyl-, 10-oxide, maleate (1:1)