2159-83-3
4,9-Dihydroxy-7-methyl-5H-furo[3,2-g][1]benzopyran-5-one
+
75-03-6
碘乙烷
→
86397-43-5
4,9-二乙氧基-7-甲基呋喃[3,2-g]色烯-5-酮
82-02-0
凯林