All articles by Carl-Johan Widén
3 articlesArticles in volume 25 (1971)
Mass Spectral Studies on Some Naturally Occurring Phloroglucinol Derivatives. Part I. The Mass Spectra of Filicinic Acid and its Acetyl, Propionyl, and Butyryl Derivatives. Lounasmaa, Mauri; Karjalainen, Arto; Widén, Carl-Johan; Huhtikangas, Aarre Pages: 3428-3440. DOI number: 10.3891/acta.chem.scand.25-3428 |
Mass Spectral Studies on Some Naturally Occurring Phloroglucinol Derivatives. Part II. The Mass Spectra of 6-Methyl-, 6-Ethyl-, 6-Propyl-, and 6-Isopropyl-2,3-dihydropyran-2,4-diones. Lounasmaa, Mauri; Karjalainen, Arto; Widén, Carl-Johan; Huhtikangas, Aarre Pages: 3441-3450. DOI number: 10.3891/acta.chem.scand.25-3441 |
Articles in volume 26 (1972)
Mass Spectral Studies on Some Naturally Occurring Phloroglucinol Derivatives. III. The Mass Spectra of Some Mono- and Bicyclic Phloroglucinol Derivatives from Rhizomes of Different Dryopteris Species. Lounasmaa, Mauri; Karjalainen, Arto; Widén, Carl-Johan; Huhtikangas, Aarre Pages: 89-101. DOI number: 10.3891/acta.chem.scand.26-0089 |