| prov:value
| - If C2-C18alkylene is interrupted once or more than once by O, S or NR14, then it is, for example, interrupted 1-9 times, e.g. 1-7 times or once or twice by O, S or NR14, and, for example, structural units such as ???CH2???O???CH2???, ???CH2CH2???O???CH2CH2???, ???[CH2CH2O]z???, where z=1 to 9, ???(CH2CH2O)7CH2CH2???, ???CH2???CH(CH3)???O???CH2???CH(CH3)???, ???CH2???S???CH2???, ???CH2CH2???S???CH2
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