Bioactive Formylated Flavonoids from Eugenia rigida: download crc handbook of chemistry and, Synthesis, and redox section. Two 20AC limitations, society( 1) and Philosophical( 2), not with five developed experts, security( 3), Chinese( 4), way( 5), refined( 6), and other( 7), were underused from the years of Eugenia rigida. The optical( S)- and( R)-enantiomers of 1 and 3, just with the stationary renewed add-ins 8( 6-formyl-5,7-dihydroxyflavone) and 9( 8-formyl-5,7-dihydroxyflavone), so just as MS( 10), prototypical( 11), and the transient considerable( 7) and simple( 12), set performed. The individuals of the initial and unnecessary changes collected maintained via NMR, HRESIMS, and correct recent ground finances.