6,7-双(甲氧基乙氧基)喹唑啉酮
Chemical Name：6, 7-Bis (2-methoxyethoxy) quinazolin-4-(3H)-one
Structure：%E5%96%B9%E5%94%91%E5%95%89%E9%85%AE.jpg)
Application：Intermediates of Erlotinib
Chemical Name：6, 7-Bis (2-methoxyethoxy) quinazolin-4-(3H)-one
Structure：
Application：Intermediates of Erlotinib