Tanshinone I568-73-0100 % similar Tanshinone iia568-72-948 % similar 1,5-Dimethylnaphthalene571-61-939 % similar 8,9-Dihydro-4,8-dimethylphenanthro[3,2-B]furan-7,11-dione20958-18-339 % similar Dihydrotanshinone I87205-99-038 % similar 3-Methylphthalic anhydride4792-30-732 % similar 2,6-Dimethylbenzoic acid632-46-232 % similar Methylnaphthalene1321-94-432 % similar 1-Methylnaphthalene90-12-032 % similar 1,4-Dimethylnaphthalene571-58-432 % similar