Figure 4

Medium effect on loading of azetidinones 1, 1a, 2, and 2a on HA. Loading efficiency % (grey), azetidinone residue in DCM (white) and in the aqueous layer (blue).
Medium effect on loading of azetidinones 1, 1a, 2, and 2a on HA. Loading efficiency % (grey), azetidinone residue in DCM (white) and in the aqueous layer (blue).