10-(2-Dimethylaminoethyl)-10,11-dihydrodibenzo(b,f)thiepin-10-carbonitrile hydrogen oxalate 87033-55-4 DIBENZO(b,f)THIEPIN-10-CARBONITRILE, 10,11-DIHYDRO-10-(2-(DIMETHYLAMINO)ETHYL)-, Dibenzo(b,f)thiepin-10-carbonitrile, 10,11-dihydro-10-(2-(dimethylamino)ethyl)-, ethanedioate (1:1)