35532-18-4
1-N',2-N'-dimethylethanedihydrazide
+
141-97-9
乙酰乙酸乙酯
→
3201-28-3
2,3-二甲基-5-吡唑酮
108-26-9
3-甲基-2-吡唑啉-5-酮
74-88-4
甲基碘
80-48-8
对甲苯磺酸甲酯
28022-67-5
2-benzyl-1,5-dimethyl-1,2-dihydro-pyrazol-3-one
87343-65-5
2,3,4-trimethylpyrano[2,3-c]pyrazol-6-one
61885-22-1
2,3-dimethyl-4-nitro-1H-pyrazol-5-one