The present invention relates to an improved process for the preparation of Erlotinib hydrochloride pure Form A. The present invention also provides a pharmaceutical composition using the erlotinib hydrochloride pure Form A of the invention.
本发明涉及一种改进的制备
厄洛替尼盐酸盐纯A型的方法。本发明还提供了一种使用该发明中的
厄洛替尼盐酸盐纯A型的药物组合物。