SMILES: CC1=C(C(=O)C2=CC=CC=C2C1=O)C/C=C(\\C)/CCCC(C)CC/C=C(\\C)/CC/C=C(\\C)/CC/C=C(\\C)/CC/C=C(\\C)/CC/C=C(\\C)/CC/C=C(\\C)/CC/C=C(\\C)/COS(=O)(=O)[O-]
Description: The molecule is a member of the class of menaquinones that is menaquinone-9 in which the double bond that is second nearest to the naphthoquinone moiety has been dihydrogenated and one of the terminal methyl hydrogens has been replaced by a sulf group.