Chemical Name: 6,7-bis[4-(ethoxycarbonyl)piperazin-1-yl]-1-ethyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid
Synonym: Dibenzosuberone ; Amitriptyline EP Impurity A ; Amitriptyline USP Related Compound A ; 10,11-dihydro-5H-dibenzo[a,d][7]annulen-5-one