00731nam a22002051 4500 agr24000790 DLC 20260227110944.0 900517s1924 enkac 00010 eng c agr24000790 //r90 U.S. Dept. of Agriculture Libr./ICU ICU QD262 .H4 Hepworth, Harry. Chemical synthesis; studies in the investigation of natural organic products, by Harry Hepworth ... London [etc.] Blackie and son limited, 1924. xx, 243 p. front. (4 port.) diagrs. (2 fold.) 23 cm. Manuals of pure and applied chemistry Lettered on cover: Chemical series. Organic compounds Synthesis. 8913 8913