NO.
CHEMICAL NAME
CAS
1
ethyl 5-nitrobenzofuran-2-carboxylate
69604-00-8
2
ethyl 5-aminobenzofuran-2-carboxylate
174775-48-5
3
ethyl 5-(piperazin-1-yl)benzofuran-2-carboxylate
163521-20-8
4
1-(2-aminocarbonylbenzofuran-5-yl)piperazine
183288-46-2