Hu, Qiu-Fen published the artcileAntiviral Phenolic Compounds from Arundina graminifolia, Formula: C14H10O4, the publication is Journal of Natural Products (2013), 76(2), 292-296, database is CAplus and MEDLINE.
Five new phenolic compounds, gramniphenols C-G (I–V), and eight known compounds (6-13) were isolated from the whole plant of Arundina graminifolia. Compounds 1, 4, and 5 showed anti-tobacco mosaic virus activity, with IC50 values of 20.8, 40.8, and 57.7 μM, resp. Compounds 1-10 were also tested for their anti-HIV-1 activity; compounds 2, 3, and 6 displayed anti-HIV-1 activity with therapeutic index values above 100:1.
Journal of Natural Products published new progress about 56317-21-6. 56317-21-6 belongs to benzofurans, auxiliary class Metabolic Enzyme,PDE,Natural product, name is 5-(6-Hydroxybenzofuran-2-yl)benzene-1,3-diol, and the molecular formula is C14H10O4, Formula: C14H10O4.
Referemce:
https://en.wikipedia.org/wiki/Benzofuran,
Benzofuran | C8H6O – PubChem