123-73-9
巴豆醛
→
~37%
1568-20-3
5-methyl-4,5-dihydro-1H-pyrazole
2004-76-4
1-formyl-5-methyl-4,5-dihydro-1H-pyrazole
+
7647-01-0
氯化氢
1911-30-4
4,5-二氢-3-甲基-1H-吡唑
19039-98-6