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Sulfonic acid bonded on silica-coated silver nanoparticles as a heterogeneous catalyst promoted four-component preparation of pyrano[2,3-c]pyrazoles

Crossref DOI link: https://doi.org/10.1007/s11164-026-05911-6

Published Online: 2026-02-03

Published Print: 2026-04

Update policy: https://doi.org/10.1007/springer_crossmark_policy

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