141-97-9
乙酰乙酸乙酯
→
17975-54-1
(4E)-3-methyl-4-[(E)-3-phenylprop-2-enylidene]-1,2-oxazol-5-one
91-20-3
萘
1608-03-3
phenylvinylacetylene
935-01-3
275-51-4
奥苷菊环