95%  告知货期和价格。LC-MS 核磁氢谱

1,1′-((4aR,9bS)-3,7,9-trihydroxy-4a-methoxy-8,9b-dimethyl-1-oxo-1,4,4a,9b-tetrahydrodibenzo[b,d]furan-2,6-diyl)bis(ethan-1-one)
Chemical Formula: C19H20O8
Molecular Weight: 376.3610
m/z: 376.1158 (100.0%), 377.1192 (20.5%), 378.1225 (2.0%), 378.1201 (1.6%)
Elemental Analysis: C, 60.64; H, 5.36; O, 34.01