1. 6-氯-1-乙基-4-氧代-7-(哌嗪-1-基)-1,4-二氢喹啉-3-羧酸

6-氯-1-乙基-4-氧代-7-(哌嗪-1-基)-1,4-二氢喹啉-3-羧酸

6-Chloro-1-Ethyl-4-Oxo-7-(Piperazin-1-yl)-1,4-Dihydroquinoline-3-Carboxylic acid