English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

A derivative of pyrimido[4,5-d]pyrimidine-2,4,5,7-(1H,3H,6H,8H)-tetraone (PPT), which may form various keto-enol tautomers suitable for forming base pairs with all natural bases, and is thus expected to serve as a universal base, was synthesized. The ability of PPT to form base pairs with natural bases was evaluated by UV analysis.

Pyrimido[4,5-d]pyrimidine-2,4,5,7-(1H, 3H, 6H, 8H)-tetraone as a novel universal base