C07GCOMPOUNDS OF UNKNOWN CONSTITUTION This subclass does not cover peptides or proteins of unknown constitution, which are covered by subclass C07KIn this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme. C07G1/00 C07G1/00LigninLignin derivatives C07G3/00Glycosides polysaccharides C08B C07G5/00Alkaloids C07G9/00Ammonium bituminosulfonate, e.g. Ichthyol also bituminasulfonic acid and its salts C07G11/00Antibiotics C07G13/00Vitamins vitamin K1 C07C50/14; pantothinic acid C07C235/12; vitamins of the D group C07C401/00; vitamin A C07C403/08; pyridoxal, pyridoxamin C07D213/66; pyridoxin C07D213/67; vitamin C C07D307/62; tocopherols C07D311/72; lipoic acid C07D339/04; vitamin B1 C07D415/00; riboflavin C07D475/14; biotin C07D495/04; sideramines, corresponding deoferri compounds C07F15/03; vitamin B12 C07H23/00 C07G15/00Hormones C07G99/00Subject matter not provided for in other groups of this subclass C07G99/002Compounds of unknown constitution containing sulfur C07G99/0022derived from hydrocarbons C07G99/0023the hydrocarbons being a terpene fraction C07G99/0024Overbased compounds