857815-85-1
3-hydroxy-4-oxo-2,4-diphenyl-butyric acid methyl ester
→
5435-01-8
3-hydroxy-2,4-diphenyl-2H-furan-5-one
25438-37-3
α-(三甲基硅氧基)苯乙腈
+
2882-19-1
α-溴苯乙酸乙酯