Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface. Wikiwand extension is a five stars, simple, with minimum ...

Natural Products Research Institute, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea ...

Background: In recent decades, spiroketals which features with two rings joined by a spiro atom, have stimulated a great deal of researches for their diverse significant biological activities. Fungi ...

Department of Molecular and Macromolecular Chemistry, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan ...