Pharmaceutical Intermediates Antineoplastics Icotinib Related
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4-Chloro-7,8,10,11,13,14-hexahydro-[1,4,7,10]tetraoxacyclododecino[2,3-g]quinazoline
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N-(3-Ethynylphenyl)-6,7-difluoroquinazolin-4-amine