Patent ID: 8889840

Claim:
A compound represented by Chemical Formula 1 as a ginsenoside Rk1 or Rg3 analog: wherein X is oxygen; R 1 is unsubstituted C 3-8 heterocycloalkyl containing oxygen as a heteroatom, or C 3-8 heterocycloalkenyl containing oxygen as a heteroatom, substituted with C 2-8 alkylcarboxy and C 3-8 alkylcarboxyalkyl; R 21 is C 4-10 alkylcarboxyalkyl, or C 4-10 alkenylcarboxyalkyl; R 22 is hydrogen; R 23 is C 1-5 alkyl or forms a double bond with the carbon to which R 21 and R 22 are bonded together; R 21 may form a double bond with the carbon to which R 22 and R 23 are bonded together; R 22 is nonexistent when R 21 or R 23 forms a double bond with the carbon; R 3 and R 4 are methyl; and is a double bond.