4-Pyridinecarboxylic acid,hydrazides,2-(sulfomethyl)hydrazide,compd. with (2S,2'S)-2,2'-(1,2- ethanediyldiimino)bis[1-butanol] (2:1),mixt. with 5-hydroxy-6-methyl-3,4- pyridinedimethanol hydrochloride
4-Pyridinecarboxylic acid,hydrazides,2-(sulfomethyl)hydrazide,compd. with (2S,2'S)-2,2'-(1,2- ethanediyldiimino)bis[1-butanol] (2:1),mixt. with 5-hydroxy-6-methyl-3,4- pyridinedimethanol hydrochloride
