RES
1r:r1
REP
REP1:5o(3+1)2d=-1--1
RES
2b:a-lgal-HEX-1:5|6:d
3b:a-dgal-HEX-1:5
4b:b-dglc-HEX-1:5|6:a
5b:a-dglc-HEX-1:5
LIN
1:2o(3+1)3d
2:2o(4+1)4d
3:4o(4+1)5d

• Leslie MR et al. The capsular antigen of Escherichia coli O9:K33:H-: a polysaccharide containing both pyruvate and O-acetyl groups. Carbohydr Res. 1998 Jun;309:(1):95-101. doi: 10.1016/s0008-6215(98)00103-7. PMID: 9720240.