94767-50-7
2,4,4a,5,6,7-hexahydrocyclopenta[c]pyridazin-3-one
→
~88%
122001-78-9
2,5,6,7-tetrahydrocyclopenta[c]pyridazin-3-one
120-92-3
环戊酮
20826-94-2
2-氧代环戊基乙酸乙酯