Agarwal, O. P. Chemistry of organic natural products / O. P. Agarwal. - 30th ed. - Delhi : Goel Publishing House, 2006. - xii, 504 p. : ill. ; 24cm. - Vol. II . ISBN: 8187554851 Subjects--Topical Terms: Chemistry.Organic chemistry.Antibiotics.Natural pigments. Dewey Class. No.: 547