(you can use Graphic editor; a term in CSDB Linear is normalized upon search)
?DGlcpN(structure ID 5933) has 6253 matches in CSDB
Ac(1-2)?DGlcpN(structure ID 15317) has 5995 matches in CSDB
Ac(1-2)bDGlcpN(structure ID 7693) has 4649 matches in CSDB