英文别名1,8-Diaza-2,9-diketocyclotetradecane; 7,14-diazacyclotetradecane-1,8-dione; Caprolactam Dimer; Caprolactam cyclic dimer; Aminocaproic acid Impurity K; nylon 6 cyclic dimer; 6-Aminohexanoate Cyclic Dimer; 1,8-diaza-cyclotetradecane-2,9-dione; nylon cyclic dimer; 1,8-Diaza-2,9-dioxo-cyclo-tetradecan; 1,8-Diazacyclotetradecan-2,9-dion; polyamide 6 cyclic dimer; 1,8-diaza-2,9-dioxocyclotetradecane 
