95838-83-8
→
~15%
95838-62-3
Ethyl 5-ethyl-2-methyl-4-phenyl-1H-pyrrole-3-carboxylate
1202-32-0
[(E)-2-nitrobut-1-enyl]benzene
+
141-97-9
乙酰乙酸乙酯
1723-25-7
2,3-二氧代丁酸乙酯