Molecular Weight - Formula - Match Compounds Sub-Structure Exact Match Open here and redraw the structure. Search Search Conditions Column Trade Name CROWNPAK® CR(+)( 4 x 150 mm 5 µm ) Search Results Total 2305 Results 1 Per page 10 20 30 40 50 60 70 80 90 100 ID 1676 Unknown Reverse Phase Droxidopa CROWNPAK® CR(+) ( 4 x 150 mm 5 µm ) perchloric acid aq. pH1.0 = 100