108890-83-1
3-[4-(4-Nitro-phenyl)-piperazin-1-yl]-propionic acid methyl ester
→
~97%
399011-43-9
methyl 3-[4-(4-aminophenyl)piperazin-1-yl]propanoate
67455-41-8
1-(4-氨基苯基)哌嗪
+
292638-85-8