3-acetyl-3,4-dihydro-5,6-dimethoxy-1H-2-benzopyran-1-one

C13H14O5
Exact Mass: 250.08
Mol. Wt.: 250.25
m/e: 250.08 (100.0%), 251.09 (14.9%), 252.09 (2.0%)
C, 62.39; H, 5.64; O, 31.97