... [9545 5-4 2-8 ] 7-Acetyl-2-hy-droxy-8-methoxy-6-methyl-1,4-naphtho-quinoneC14H12O5260.246Yellow solid. Mp 17 3-1 778 dec.Di-Me ether: [8059 7-5 3-1 ] 7-Acetyl-2, 8- dimethoxy-6-methyl-1,4-naphthoquinoneC15H14O5274.273Yellow ... 18 5- 1878.(/9)-form [1437 5-4 5-2 ]Mp 18 8-1 908.[673 5-0 4-2 , 675 5-4 1-5 , 1439 8-5 3-9 , 1467 4-8 5-2 ,4033 1-0 2-0 , 5880 1-5 5-1 , 6935 0-4 3-2 , 6935 0-4 4-3 ,7834 0-3 0-4 , 7919 9-4 8-7 , 9780 6-7 0-7 ]Cornforth, J. et al., Nature ... (occur)A-377-Acetyl-2,3-dihydro-5,6-di-methyl-1H-pyrrolizine 1-( 2,3-Dihydro-5,6-dimethyl-1H-pyrroli-zin-7-yl)ethanoneC11H15NO 177.246Proline- or lysine-derived Maillard pro-duct. Characterised...