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
146939-27-7
Alternate CAS Number
138982-67-9(HCl Monohydrate salt)
CAS Number
104987-11-3
Alternate CAS Number
109581-93-3(Monohydrate Salt)
CAS Number
610271-56-2
Alternate CAS Number
610271-57-3(Maleate Salt)
CAS Number
545338-89-4
Alternate CAS Number
2771193-10-1(Succinate Salt)