1H and 13C NMR signal assignments of paecilin A and B, two new chromone derivatives from mangrove endophytic fungus Paecilomyces sp. (tree 1–7) - Guo, Z; She, Z; Shao, C; Wen, L; Liu, F; Zheng, Z; Lin, Y (Magn Reson Chem, 2007)