CAS Number: 10381-75-6
Chemical Name: 8-Bromotheophylline
Molecular Formula: C7H7BrN4O2
Molecular Weight: 259.06

CAS Number: 317-34-0
Chemical Name: Aminophylline
Molecular Formula: C7H8N4O2·1/2C2H8N2
Molecular Weight: 210.21