11-(2-Dimethylaminoethyl)-6,11-dihydrodibenzo(b,e)thiepin-11-carbonitrile oxalate hemihydrate 87997-49-7 DIBENZO(b,e)THIEPIN-11-CARBONITRILE, 6,11-DIHYDRO-11-(2-(DIMETHYLAMINO)ETHYL)-, Dibenzo(b,e)thiepin-11-carbonitrile, 6,11-dihydro-11-(2-(dimethylamino)ethyl)-, ethanedioate,hydrate (2:2:1)