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 1556 Amphoteric Reverse Phase Metaraminol CROWNPAK® CR-I(+) ( 3 x 150 mm 5 µm ) perchloric acid aq. pH1.0 / acetonitrile = 80 / 20 ID 1728 Amphoteric Reverse Phase Metaraminol CROWNPAK® CR-I(+) ( 3 x 150 mm 5 µm ) perchloric acid aq. pH1.0 / acetonitrile = 80 / 20