108-05-4
醋酸乙烯酯
+
147-93-3
硫代水杨酸
→
5651-50-3
2-methyl-3,1-benzoxathiin-4-one
3354-42-5
1,2-benzodithiole-3-thione
77586-88-0
2-phenyl-1,3-benzodithiine-4-thione