Media type: E-Article Title: Mass spectra of some heterocycles related to N6-(Δ2-isopentenyl)adenosine Contributor: Hecht, Sidney M. Published: Elsevier BV, 1971 Published in: Analytical Biochemistry Extent: 262-275 Language: English DOI: 10.1016/0003-2697(71)90369-1 ISSN: 0003-2697 Keywords: Cell Biology ; Molecular Biology ; Biochemistry ; Biophysics Footnote: