50276-60-3
3,4,5-trimethoxyphthalic acid
+
74-89-5
甲胺
→
7508-01-2
4,5,6-trimethoxy-2-methylisoindole-1,3-dione
16790-40-2
4,5,6-trimethoxy-2-benzofuran-1,3-dione