"2-Quinazolinecarboxylic acid, 6-chloro-5-fluoro-3,4-dihydro-4-oxo-, ethyl ester"
"2-Quinazolinecarboxylic acid, 6-chloro-5-fluoro-3,4-dihydro-4-oxo-, ethyl ester"
"2-Quinazolinecarboxylic acid, 6-chloro-5-fluoro-3,4-dihydro-4-oxo-, ethyl ester"
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快速溝通