75483-04-4
ethyl 4-chloro-1-methyl-2-oxoquinoline-3-carboxylate
+
623-51-8
巯基乙酸乙酯
→
~37%
79966-23-7
ethyl 5-methyl-3,4-dioxothieno[3,2-c]quinoline-2-carboxylate
57513-54-9
1,2-二氢-4-羟基-1-甲基-2-氧代-3-喹啉羧酸乙酯