Synonyms: 4-Pyridinecarboxylicacid, hydrazide, hydrazone with 4-O-b-D-galactopyranosyl-D-glucose; Isonicotinic acidhydrazide, hydrazide, hydrazone with lactose (8CI); Isonicotinic acid,hydrazide, hydrazone with lactose (7CI); Lactose, isonicotinoylhydrazone (8CI);1-Isonicotinoyl-2-lactosylhydrazine; 1-Isonicotinoyl-2-lactosylhydrazone; Lactoseisonicotinoyl hydrazone; Lactose-isonicotinic acid hydrazide; Lactosylisonicotinic acid hydrazone