98%(GC); Cas No.:696-71-9
98%(GC); Cas No.:762-04-9
98%(GC); Cas No.:825-51-4
98%(HPLC); Cas No.:25952-53-8
98%; Cas No.:6976-17-6
99%(GC); Cas No.:34839-14-0; 53494-57-8(for free base)
99%(GC); Cas No.:54868-31-4 (for free base)
99%; Cas No.:3473-63-0