Metabolites are produced during metabolism by breaking down of food, drugs, chemicals and tissues in the body. 

CAS Number
107814-37-9
Alternate CAS Number
1384955-66-1(HCl Salt)
CAS Number
2088879-81-4
Alternate CAS Number
2356152-56-0(HCl Salt)
CAS Number
101900-43-0
Alternate CAS Number
101900-44-1(HCl salt)
CAS Number
54-96-6
Alternate CAS Number
446254-47-3 (phosphate salt)
CAS Number
61-67-6
Alternate CAS Number
148-51-6(HCl Salt)