Synonyms: 4-Quinazolinamine,N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)-, monohydrochloride (9CI);6,7-Bis(2-methoxyethoxy)-4-(3-ethynylanilino)quinazoline hydrochloride;CP358774;4-Quinazolinamine,N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)-, hydrochloride (1:1);OSI 774;Tarceva;[6,7-Bis(2-methoxyethoxy)quinazolin-4-yl]-(3-ethynylphenyl)amine hydrochloride;Erlotinib HCl;Erlotinib hydrochloride and Intermediate;