495-69-2
马尿酸
+
55149-82-1
4,5-diethoxy-2-nitro-benzaldehyde
→
910-71-4
4-[(4,5-diethoxy-2-nitrophenyl)methylidene]-2-phenyl-1,3-oxazol-5-one
88828-04-0
(4Z)-4-[(3,4-diethoxyphenyl)methylidene]-2-phenyl-1,3-oxazol-5-one