35679-90-4
ethyl 2-[(3,4-dimethyl-2-oxo-2H-chromen-7-yl)oxy]acetate
→
~99%
35679-93-7
(3,4-二甲基-2-氧代-2H-苯并吡喃-7-氧基)-乙酸
177034-43-4
2107-78-0
二甲基伞形酮