title: [Coumarins. 9. N-4-hydroxycoumarinyl-3-thioureas and N'-substituted 3-amino-4-hydroxy-1-thiocoumarins].
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D003374:Coumarins / Q000032:analysis / Q000138:chemical synthesis*; D013055:Spectrophotometry, Infrared; D013056:Spectrophotometry, Ultraviolet; D013440:Sulfides / Q000032:analysis / Q000138:chemical synthesis; D013890:Thiourea / Q000032:analysis / Q000138:chemical synthesis*
chemical_list: D003374:Coumarins; D013440:Sulfides; D013890:Thiourea
vernacular_title: Beiträge zur Kenntnis der Cumarine. 9. N-4-Hydroxycumarinyl-(3)-thioharnstoffe und N'-substituierte 3-Amino-4-hydroxy-1-thiocumarine.