prov:value
| - This may be an inorganic salt, or an organic compound characterized by particular formulae, where X means B(OH)2, Y is I, or in which X represents OH, Y is a halogen, or Q-R in which Q is a linear or branched 1-12 heteroatomic alkyl, in which binding heteroatoms are C, N, O, or S, in which the bonds connecting the heteroatomic alkyl chain may optionally encompass a substitute selected from among ?
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