4683452 Pump Piston Assy Fits for Hitachi ZX14U-2,A2B2-Type Zinc(II) Porphyrin-Modified Organic Polymers with Flexible Linkers for Efficient Fixation of CO2 to Cyclic Carbonate | Industrial & Engineering Chemistry Research,Nickel N-heterocyclic carbene complexes and their utility in homogeneous catalysis - ScienceDirect,WS June 2, 2017 by Weekly Sentinel - Issuu,A2B2-Type Zinc(II) Porphyrin-Modified Organic Polymers with Flexible Linkers for Efficient Fixation of CO2 to Cyclic Carbonate | Industrial & Engineering Chemistry Research