(2S,3R,4R,5S,6R)-6-(hydroxymethyl)-5-(((2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2,3,4-triolhydrate; 4-O-?-D-Galactopyranosyl-?-D-glucopyranose Monohydrate;Aeroflo 20; Aeroflo 65; Aeroflo 95; Flowlac 200; GranuLac 200; Granulac 230; InhaLac 400; Inhalac 120; Inhalac 230; Lactochem; Lactose 100M; Lactose D 80; Lactosum D 80; Pharmatose150M; Pharmatose 325; Pharmatose 50M; Pharmatose 90M; Pharmatose DCL 11; Zeparox; ?-D-Lactose Monohydrate; ?-Lactose Monohydrate