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-continued 

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. , phenohc $^{l}$•ng units ( d) havmg be further • recurr may In the base resm, h adhesive group which recur- as t e r from . d hydroxyl group pies of the monombel w but not lim1te d Exam h n e o , incorporate . d rived are s ow . (d) are e ring umts thereto. 

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-continued 

