SMILES: CC1=C(C(=O)C2=CC=CC=C2C1=O)CC=C(C)C
Description: The molecule is any member of the class of menaquinones that is 2-methyl-1,4-naphthoquinone with an unsaturated isoprenoid chain at the 3-position. It has a role as an Escherichia coli metabolite.