3-(4-bromophenyl)-2H-furan-5-one

2-amino-8-[2-(4-bromophenyl)hydrazinyl]purin-6-one

2-amino-8-(4-bromophenyl)-3,7-dihydropurin-6-one

8-(4-bromophenyl)guanosine

4-(4-bromophenyl)butan-2-one