29943-42-8
四氢吡喃酮
+
120-43-4
N-哌嗪甲酸乙酯
→
398137-19-4
1-(四氢-2H-吡喃-4-基)哌嗪
706759-32-2
tert-butyl 4-(tetrahydro-2H-pyran-4-yl)piperazine-1-carboxylate
1033594-04-5
1-benzyl-4-(tetrahydro-2H-pyran-4-yl)piperazine