Data set 2From: The nature and fate of natural resins in the geosphere Part XI.† Ruthenium tetroxide oxidation of a mature Class Ib amber polymer‡Py-GC-MS data for the isloated (soluble) polymer fraction of Yantardakh Hill (Siberia) Cretaceous amber. MS data and structural assignments for these eluants are given in Additional file 2§.Back to article page