30839-34-0
2-Chloro-5,6-dimethoxybenzoquinone
+
63446-77-5
1-methyl-1,3-bis(trimethylsilyloxy)buta-1,3-diene
74-88-4
甲基碘
→
89827-86-1
2,3,7-trimethoxy-5-methylnaphthalene-1,4-dione