Hygromycin B

Formula : C20-H37-N3-O13
CAS : 31282-04-09 

Aminoglycoside produced by Streptomyces hygroscopicus. It is used as an anthelmintic against swine infections by large roundworms, nodular worms, and whipworms.

Hylaform

Formula : Unspecified
CAS : 380600-88-4 

Hyaluronic acid based injectable dermal filler material.

Hylambatin

Formula : C63-H90-N16-O19-S2
CAS : 80890-46-6 

Isolated from skin of African frog Hylambates maculatus.