prov:value
| - R3???CH[SO3???M+]???R7 wherein: a and b =0 or 1; n, p, m=0???100 (preferably 0???40, and more preferably 0???20); R3 is defined as above; R7 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 protonate
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