Formula: C38H22O6 | Mol. Weight: 574.60 g/mol
IUPAC: 2-hydroxy-3-[2-hydroxy-4-(4-hydroxyphenyl)-3-oxophenalen-1-yl]-9-(4-hydroxyphenyl)phenalen-1-one
C1=CC2=C3C(=C1)C(=C(C(=O)C3=C(C=C2)C4=CC=C(C=C4)O)O)C5=C(C(=O)C6=C(C=CC7=C6C5=CC=C7)C8=CC=C(C=C8)O)O