Source:http://linkedlifedata.com/resource/umls/id/C0027378
MSH: Two-ring crystalline hydrocarbons isolated from coal tar. They are used as intermediates in chemical synthesis, as insect repellents, fungicides, lubricants, preservatives, and, formerly, as topical antiseptics.,CSP: two-ring crystalline aromatic hydrocarbons isolated from coal tar; used as intermediates in chemical synthesis, as insect repellents, fungicides, lubricants, and preservatives.