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 1597 Amphoteric Polar Phase Levothyroxine CHIRALPAK® ZWIX(-) ( 3 x 150 mm 3 µm ) 50mM formic acid + 25mM diethylamine in methanol / tetrahydrofuran / water = 45 / 50 / 5 ID 1719 Amphoteric Polar Phase Levothyroxine CHIRALPAK® ZWIX(-) ( 3 x 250 mm 3 µm ) methanol / tetrahydrofuran / water / formic acid / diethylamine = 450 / 500 / 50 / 1.9 / 2.6