Sub Group: Heterocyclic Compounds Catalog Number: 9888 Formula: C22H24ClN3O4 CAS Number: 183319-69-9 Molecular Weight: 429.9 Synonyms: N-(3-Ethynylphenyl)-6,7-bis(2-methoxyethoxy)-4-quinazolinamine, Hydrochloride Salt, OSI 774, Tarceva