poly[(4-D-alanyl-2-N-acetyl-D-glucosaminyl)-1-D-ribitylphosphonato]-di[1-glycerylphosphonato]-N-acetyl-beta-D-mannosaminyl-(1->4)-N-acetyl-alpha-D-glucosaminyl-phosphate derivative
poly[(4-d-alanyl-2-n-acetyl-d-glucosaminyl)-1-d-ribitylphosphonato]-di[1-glycerylphosphonato]-n-acetyl-beta-d-mannosaminyl-(1->4)-n-acetyl-alpha-d-glucosaminyl-phosphate derivative