Molecular Weight - Formula - Match Compounds Sub-Structure Exact Match Open here and redraw the structure. Search Search Results Total 2305 Results 2 Per page 10 20 30 40 50 60 70 80 90 100 ID 695 Basic Normal Phase Tetrahydropalmatine CHIRALPAK® AD-H ( 4.6 x 250 mm 5 µm ) n-hexane / 2-propanol = 80 / 20 ID 696 Basic Normal Phase Tetrahydropalmatine CHIRALPAK® AD-H ( 4.6 x 250 mm 5 µm ) n-hexane / ethanol = 85 / 15