Decoding Products of Diversity Pathways from Stock Solutions Derived from Single Polymeric Macrobeads H.E.B. and L.P. contributed equally to this work. We thank the National Institute of General Medical Sciences (GM-52067) for the support of this research. We are especially grateful to Dr. Andrew Tyler for expert mass spectroscopy support. The Harvard ICCB is supported by Merck & Co., Merck KGaA, the Keck Foundation, and the National Cancer Institute. H.E.B. is supported by a postdoctoral fellowship from the Jane Coffin Childs Memorial Fund for Medical Research (sponsored by Merck & Co.). L.P. is a Research Fellow, and S.L.S. is an Investigator with the Howard Hughes Medical Institute at the Department of Chemistry and Chemical Biology, Harvard University.