title: Metallocenes. A novel class of reagents for protein modification. I. Maleic anhydride-iron tetracarbonyl.
mesh_terms: D000812:Anhydrides / Q000138:chemical synthesis*; D007259:Infrared Rays; D007501:Iron; D007659:Ketones / Q000138:chemical synthesis; D008298:Maleates / Q000138:chemical synthesis*; D009942:Organometallic Compounds / Q000138:chemical synthesis*; D011506:Proteins; D012260:Ribonucleases; D013057:Spectrum Analysis; D014466:Ultraviolet Rays
chemical_list: D000812:Anhydrides; D007659:Ketones; D008298:Maleates; D009942:Organometallic Compounds; D011506:Proteins; D007501:Iron; D012260:Ribonucleases