(Q1934)

Statements

C1=CC=C2C(=C1)C3=C4C(=CC=C5C4=C(C=C3)C(=O)C=C5)C2=O
0 references
InChI=1S/C20H10O2/c21-17-10-6-11-5-7-16-19-13(8-9-15(17)18(11)19)12-3-1-2-4-14(12)20(16)22/h1-10H