| 摘要 |
A compound having the general formula (I): <?in-line-formulae description="In-line Formulae" end="lead"?><SUP>-</SUP>O<SUB>3</SUB>S-R<SUB>1</SUB>-V<SUB>1</SUB>-R<SUB>2</SUB>-V<SUB>2</SUB><?in-line-formulae description="In-line Formulae" end="tail"?> wherein R<SUB>1 </SUB>is a hydrocarbon radical comprising C<SUB>1 </SUB>to C<SUB>10 </SUB>main chain carbon atoms, wherein hydrogen atoms bonded to the main chain carbon atoms are optionally substituted; R<SUB>2 </SUB>is a hydrocarbon radical comprising 6 to 20 main chain carbon atoms, wherein hydrogen atoms bonded to the main chain carbon atoms are optionally substituted; V<SUB>1 </SUB>is a saturated or unsaturated, monocyclic or bicyclic ring system comprising 5 to 9 ring atoms, wherein at least 2 ring atoms are nitrogen atoms forming the same cyclic moiety; and V<SUB>2 </SUB>is a moiety comprising a carboxyl group and an unsaturated carbon-carbon bond.
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