Hexamethylol melamin resin
Halofantrine hydrochloride
Holmium nitrate pentahydrate
Hydroxylamine hydrochloride
Hydrazine perchlorate hemihydrate
Hyaluronate Tetrasaccharide
Hyaluronate Hexasaccharide
Hydrocodone (+)-bitartrate salt
Hydrochlorofluorocarbon-252 (HCFC-252)
Hexahydro-1H-azepine-1-acetonitrile
Hexadecanyl pentadecanoate
Heptadecanyl pentadecanoate
Hexadecanyl nonadecanoate
Henicosanyl pentadeanoate
Heptadecanyl nonadecanoate