text: <unk>  is a glycosaminoglycan (formerly called a mucopolysaccharide) found mostly in skin, but also in blood vessels, heart valves, tendons, and lungs.
  It is also referred to as chondroitin sulfate B,  although it is no longer classified as a form of chondroitin sulfate by most sources.
option_0: Dermatan sulfate
option_1: Heparan sulfate
option_2: Chondroitin sulfate
option_3: Keratan sulfate
option_4: Sarcoglycan
option_5: Lecithin
option_6: Hyaluronic acid 
option_7: Pentosan polysulfate