Marvin  05091212162D          

 21 23  0  0  0  0            999 V2000
    7.1555   -5.1935    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    7.1555   -6.0185    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    6.4410   -4.7810    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    6.4410   -6.4310    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.7265   -5.1935    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.7265   -6.0185    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    8.5844   -5.1935    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    8.5844   -6.0185    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    7.8699   -4.7810    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    7.8699   -6.4310    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   10.0134   -5.1935    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   10.0134   -6.0185    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    9.2989   -4.7810    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    9.2989   -6.4310    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    6.4409   -3.9560    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    5.0120   -6.4310    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    7.8699   -3.9560    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    9.2989   -3.9560    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   10.8384   -6.0185    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   10.4260   -6.7330    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.7264   -3.5435    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
  3  1  2  0  0  0  0
  4  2  2  0  0  0  0
  5  3  1  0  0  0  0
  6  4  1  0  0  0  0
  6  5  2  0  0  0  0
  9  7  2  0  0  0  0
 10  8  2  0  0  0  0
  1  9  1  0  0  0  0
  2 10  1  0  0  0  0
  2  1  1  0  0  0  0
 12 11  1  0  0  0  0
 13 11  1  0  0  0  0
 14 12  1  0  0  0  0
  7 13  1  0  0  0  0
  8 14  1  0  0  0  0
  8  7  1  0  0  0  0
  3 15  1  0  0  0  0
  6 16  1  0  0  0  0
  9 17  1  0  0  0  0
 13 18  2  0  0  0  0
 12 19  1  0  0  0  0
 12 20  1  0  0  0  0
 15 21  1  0  0  0  0
M  END
> <ID>
CHEBI:64543

> <NAME>
fonsecin

> <DEFINITION>
A naphtho-γ-pyrone that is 2,3-dihydro-4H-benzo[g]chromen-4-one bearing a methyl substituent at position 2, a methoxy substituent at position 6 and three hydroxy substituents at positions 2, 5 and 8.

> <STAR>
3

> <SYNONYM>
fonsecin

> <IUPAC_NAME>
2,5,8-trihydroxy-6-methoxy-2-methyl-2,3-dihydro-4H-benzo[g]chromen-4-one

> <FORMULA>
C15H14O6

> <MASS>
290.26810

> <MONOISOTOPIC_MASS>
290.07904

> <CHARGE>
0

> <SMILES>
COc1cc(O)cc2cc3OC(C)(O)CC(=O)c3c(O)c12

> <INCHI>
InChI=1S/C15H14O6/c1-15(19)6-9(17)13-11(21-15)4-7-3-8(16)5-10(20-2)12(7)14(13)18/h3-5,16,18-19H,6H2,1-2H3

> <INCHIKEY>
FKCYENFBFZUSDP-UHFFFAOYSA-N

> <CAS_REGISTRY_NUMBER>
3748-39-8

> <REAXYS_REGISTRY_NUMBER>
1257750

> <CHEMIDPLUS>
3748-39-8

> <PUBMED_CITATION>
18205129; 21277986; 22377027; 27245874; 27753463

$$$$