14978-20-2 9,10-Dihydro-9-(2-(dimethylamino)ethoxy)-9,10-ethanoanthracene 8-chlorotheophylline 9,10-Ethanoanthracene, 9,10-dihydro-9-(2-(dimethylamino)ethoxy)-, 8-chlorotheophylline 9-(2-(Dimethylamino)ethoxy)-9,10-dihydro-9,10-ethanoanthracene 8-chlorotheophylline