Amitriptyline amitriptyline 10,11-dihydro-5-(gamma-dimethylaminopropylidene)-5H-dibenzo(a,d)cycloheptene 10,11-dihydro-N,N-dimethyl-5H-dibenzo(a,d)heptalene-Delta(5),gamma-propylamine 3-(10,11-dihydro-5H-dibenzo(a,d)cyclohepten-5-ylidene)-N,N-dimethyl-1-propanamine 3-(10,11-dihydro-5H-dibenzo[a,d][7]annulen-5-ylidene)-N,N-dimethylpropan-1-amine 3-(10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5-ylidene)-N,N-dimethylpropan-1-amine 5-(3-dimethylaminopropylidene)-10,11-dihydro-5H-dibenzo(a,d)cycloheptatriene 5-(3-dimethylaminopropylidene)-10,11-dihydro-5H-dibenzo(a,d)cycloheptene 5-(gamma-dimethylaminopropylidene)-5H-dibenzo[a,d][1,4]cycloheptadiene 704 A tricyclic antidepressant that has formula C20H23N. Amitriptylin Amitriptyline Beilstein:2217885 C20H23N CHEBI:2666 CN(C)CCC=C1c2ccccc2CCc2ccccc12 ChemIDplus:50-48-6 InChI=1S/C20H23N/c1-21(2)15-7-12-20-18-10-5-3-8-16(18)13-14-17-9-4-6-11-19(17)20/h3-6,8-12H,7,13-15H2,1-2H3 InChIKey=KRMDCWKBEZIMAB-UHFFFAOYSA-N KEGG COMPOUND:50-48-6 KEGG COMPOUND:C06824 NIST Chemistry WebBook:50-48-6 Wikipedia:Amitriptyline tertiary amine tricyclic antidepressant