prov:value
| - Within the scope of the process description hereinbefore and hereinafter, unless defined otherwise, reactive esterified hydroxy, for example X1, is especially hydroxy esterified by a strong inorganic acid, organic sulfonic acid, organic carboxylic acid or carbonic acid, for example halogen, such as chlorine, bromine or iodine, sulfonyloxy, such as hydroxysulfonyloxy, halosulfonyloxy, for example f
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