上一条： Synthesis of novel 15-membered macrolide dimers

下一条： An efficient synthesis of ethyl 7-chloro-6-fluoro-1-methyl-4-oxo-1, 4-dihydro-[1,3]thiazeto[3,2-a]quinoline-3-carboxylate as intermediate of the prulifloxacin containing tricyclic fluoroquinolone