| http://www.w3.org/ns/prov#value | - 4] R27 is C(???O)C1-15 alkyl; [0815] E1 is C1-4 alkylene substituted with 1-3 R28; [0816] R28 is independently selected at each occurrence from the group: R30, ???PO3H???R30, ???O, ???CO2R29, ???C(???O)R29, ???CH2OR29, ???OR29, and C1-C5 alkyl; [0817] R29 is independently selected at each occurrence from the group: R30, H, C1-C6 alkyl, phenyl, and benzyl; [0818] R30 is a bond to Ln; [0819] Ln is a
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