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US3459754A 2-alkanoylamido-1-hydroxypyrrolo (1,2-a)quinazolines 失效
2-烷基酰胺-1-羟基吡咯烷(1,2-A)喹唑啉

2-alkanoylamido-1-hydroxypyrrolo (1,2-a)quinazolines
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