Heterocyclic compound is a major class of organic chemical compounds characterized by some or all of the atoms in their molecules are joined in rings containing atleast one atom of an element other than carbon.

CAS Number
2293-21-2
Alternate CAS Number
10464-24-1(HCl Salt)
CAS Number
133868-46-9
Alternate CAS Number
101312-92-9(freebase)
CAS Number
2573767-90-3
Alternate CAS Number
NA
CAS Number
1293489-74-3(free base)
Alternate CAS Number
1293342-97-8(HCl salt)