108-27-0
5-甲基-2-吡咯酮
→
172833-22-6
4-[(2-methylpropan-2-yl)oxycarbonylamino]pentanoic acid
13880-74-5
2,4,6-CYCLOHEPTATRIEN-1-ONE,4-AMINO-2-HYDROXY
+
24424-99-5
二碳酸二叔丁酯