80548-65-8
→
79-14-1
羟基乙酸
+
82659-07-2
2-amino-3-hydroxycyclopent-2-en-1-one,hydrochloride
3859-41-4
1,3-环戊二酮
134896-04-1
3-hydroxy-2-nitro-2-cyclopenten-1-one