1 “...Since the late 1950's when proton n. m. r. spectroscopy was first used in organic natural products...”

2 Table of Contents: “... of Dimeric Proanthocyanidins; Conclusion -- Constituents of //Lactarius// (Mushrooms) (W. M. Daniewski, G...”

3 Table of Contents: “...III. The Acid Hydrolysis Products -- IV. The Structures of the Alkaloids -- V. Pharmacology (with M...”

4 “...Contents: D. G. I. Kingston, A. A. Molinero, and J. M. Rimoldi: The Taxane Diterpenoids. - Author...”

5 “...Contents: A.B. Ray and M. Gupta: Withasteroids, a Growing Group of Naturally Occurring Steroidal...”

6 “... bonds in the IH n.m.r. spectral interpretation of their derivatives, the lack of precise knowledge...”

7