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
298-46-4
Alternate CAS Number
70972-24-6(HCl salt)
CAS Number
839712-12-8
Alternate CAS Number
1083076-69-0 (HCl salt) ; 1082644-13-0 (2HCl salt) ;
CAS Number
63527-52-6
Alternate CAS Number
64485-93-4(Na Salt)
CAS Number
141195-77-9
Alternate CAS Number
234096-34-5(freebase)
CAS Number
234096-34-5
Alternate CAS Number
141195-77-9(sodium salt)
CAS Number
92665-29-7
Alternate CAS Number
121123-17-9 (monohydrate)