Table 5.

Structures and taxonomic distribution of non-classical asterosaponins with one monosaccharide residue in carbohydrate chains.

№	Name	Side Chain (R)	Carbohydrate Chain (X)	Collection	References
Order Forcipulatida Family Asteriidae Asterias forbesi
147	Forbeside E		4-O-sulfate-Quip	Indian Point, Bay of Fundy, Canada, depth was not reported	[79]
148	Forbeside E1		Quip	«-----------»	[80]
149	Forbeside E2 (without sulfate group at C-3)		4-O-sulfate-Quip	«-----------»	[80]
150	Forbeside E3		Quip	«-----------»	[80]
Lethasterias nanimensis chelifera
151	Cheliferoside L1		4-O-sulfate-Quip	Isl. Shiashkotan, Kuril Islands, 100–150 m	[81]
Aphelasterias japonica
152	Aphelasteroside C		4-O-sulfate-Quip	Posyet Bay, Sea of Japan, Russia, depth of 3–10 m	[82]
Order Paxillosida Family Astropectinidae Astropecten latespinosus
153	Latespinoside A		4-O-sulfate-Quip	Hiramomijigai, Japan, depth was not reported	[83]
154	Latespinoside B		4-O-sulfate-Quip	«-----------»	[83]
155	Latespinoside C		4-O-sulfate-Quip	«-----------»	[83]
156	Latespinoside D		4-O-sulfate-Quip	«-----------»	[83]