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Seis novos amburosideos (1-6) e o novo protocatecuato de 6-cumarila (7) foram isolados das sementes e cascas do caule de Amburana cearensis, juntamente com cumarina, 6-hidroxicumarina, isocampferideo, formononetina, acido vanilico, amburosideo A e acido (E)-o-cumarico. As estruturas quimicas dos novos compostos foram elucidadas com base na analise espectral de RMN (COSY, HSQC, HMBC e NOESY) e EM.

Amburosides C-H and 6-O-protocatechuoyl coumarin from Amburana cearensis