title: THE 2-DESMETHYL VITAMIN K2'S. A NEW GROUP OF NAPHTHOQUINONES ISOLATED FROM HEMOPHILUS PARAINFLUENZAE.
mesh_terms: D002845:Chromatography; D004872:Ergocalciferols; D006190:Haemophilus; D006192:Haemophilus Infections; D044135:Haemophilus parainfluenzae; D007259:Infrared Rays; D009285:Naphthoquinones; D012106:Research; D013057:Spectrum Analysis; D014466:Ultraviolet Rays; D024482:Vitamin K 2
chemical_list: D004872:Ergocalciferols; D009285:Naphthoquinones; D024482:Vitamin K 2
keywords: CHROMATOGRAPHY; ERGOCALCIFEROL; EXPERIMENTAL LAB STUDY; HAEMOPHILUS; INFRARED RAYS; NAPHTHOQUINONES; SPECTRUM ANALYSIS; ULTRAVIOLET RAYS