New Building Blocks--2021.04.30

2021-04-30

1.CAS NO: 6537-46-8         1-AZAXANTHONE
2.CAS NO: 261-27-8           5H-[1]Benzopyrano[2,3-b]pyridine
3.CAS NO: 59908-70-2       4-(1,2,4-oxadiazol-3-yl)Benzenamine
4.CAS NO: 1256162-94-3   5-Chloropyrazolo[1,5-a]pyrimidine-3-carbaldehyd
5.CAS NO: 64038-64-8       4-ETHOXYCARBONYLIMIDAZOLE-2-THIOL