57-57-8
β-丙内酯
→
5961-90-0
ethyl (2Z)-2-[(4-hydroxy-3-methoxyphenyl)methylidene]-5-(4-methoxyphenyl)-3-oxo-7-phenyl-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
873-00-7
1,3-thiazinane-2,4-dione