403498-44-2
(+/-)-7-(3,4-dihydroxybutyloxy)-2H-1-benzopyran-2-one
→
646507-35-9
2-hydroxy-4-(2-oxochromen-7-yl)oxybutanenitrile
7677-24-9
三甲基氰硅烷
+
220164-34-1
3-(2-oxochromen-7-yl)oxypropanal