103-71-9
异氰酸苯酯
+
1663-67-8
丙二酰氯
→
5725-77-9
7-chloro-3-phenylpyrano[3,4-e][1,3]oxazine-2,4,5-trione
CAS号:103-71-9
92554-42-2
methyl 6-(2-methoxy-2-oxoethyl)-2,4-dioxo-3-phenyl-1,3-oxazine-5-carboxylate
621-10-3
N,N'-diphenylpropanediamide