title: Circular dichroism of some vitamin B 12  derivatives.
mesh_terms: D002942:Circular Dichroism; D007769:Lactams / Q000032:analysis; D007783:Lactones / Q000032:analysis; D008722:Methods; D013696:Temperature; D014805:Vitamin B 12 / Q000032:analysis*
chemical_list: D007769:Lactams; D007783:Lactones; D014805:Vitamin B 12