This assay was used to guide the fractionation of this extract and allowed the isolation of four compounds: the new naphthoquinone eleutherinone[8-methoxy-1-methyl-1,3-dihydro-naphtho(2,3-c)furan-4,9 ...

Emil Franchi joins Jerry this week. Chappell Roan - exclusive Sound of 2025 interview Chappell Roan reflects on the last 12 months in an extensive chat with Jack Saunders. Your essential guide to ...

Background: Rising use of sunscreen products has led to increased reporting of adverse reactions to sunscreens. Objective: To investigate possible photoallergic reactions in patients who ...

Compounds 2i-2j follows similar substitution patterns of the aromatic ring. The 1 H NMR spectrum showed four signals for aromatic hydrogens with different multiplicities. We observed the presence of a ...

Department of Chemistry, School of Pharmacy, North Sichuan Medical College, Nanchong, Sichuan 637000, China ...

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Polyphenols – a range of compounds found naturally in plants – are celebrated for the multitude of health advantages they offer. They are renowned for their antioxidant properties and have ...

China’s official Manufacturing Purchasing Managers' Index (PMI) eased to 50.1 in December, compared to 50.3 in the previous reading. The reading came in below the market consensus of 50.3 in the ...