prov:value
| - and R9???CH[SO3-M+]???R13 wherein: a and b=0 or 1; n, p, m=0-100 (preferably 0-40, and more preferably 0-20); R9 is defined as above; R13 is a (C1-C12)alkyl group (saturated straight, branched, or cyclic group) that may be optionally substituted by N, O, or S atoms or hydroxyl, carboxyl, amide, or amine groups; PH=phenyl; and M is a cationic counterion such as Na, K, Li, ammonium, a protonated ter
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