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
87-00-3
Alternate CAS Number
51-56-9(HBr Salt)
CAS Number
86-54-4
Alternate CAS Number
304-20-1(HCl salt)
CAS Number
152459-95-5 (Free Base)
Alternate CAS Number
220127-57-1 (Mesylate)
CAS Number
151257-01-1(Salt)
Alternate CAS Number
138402-05-8(Free base)
CAS Number
34580-14-8
Alternate CAS Number
34580-13-7 (free base)
CAS Number
34580-13-7
Alternate CAS Number
34580-14-8(Fumarate salt)