title: Studies on quantitative structure-activity relationships. V. QSAR investigations of rifamycin B amides and hydrazides by utilization of the substituent entropy constant sigma s degrees.
mesh_terms: D001419:Bacteria / Q000187:drug effects; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D012294:Rifamycins / Q000494:pharmacology*; D013329:Structure-Activity Relationship; D013816:Thermodynamics
chemical_list: D012294:Rifamycins; C033974:rifamycin B