Figure 1

Molecular structures of 2-methacryloyloxyethyl phosphorylcholine (MPC) and 3-[dimethyl-(2-methacryloyloxyethyl) ammonium] propane sulfonate (DMAPS).
Molecular structures of 2-methacryloyloxyethyl phosphorylcholine (MPC) and 3-[dimethyl-(2-methacryloyloxyethyl) ammonium] propane sulfonate (DMAPS).