198902-99-7
Benzenepropanoic acid, b-hydroxy-a-methylene-2-nitro-, ethyl ester
→
~82%
261629-95-2
ethyl 1-hydroxy-4-oxoquinoline-3-carboxylate
552-89-6
邻硝基苯甲醛
140-88-5
丙烯酸乙酯
14674-35-2
4-methyl-N-[(2-nitrophenyl)methylidene]benzenesulfonamide
52980-28-6
1,4-二氢-4-氧代-3-喹啉羧酸乙酯