Translating the titles of chemical abstracts into information language

List of abbreviations. IL-information language; ZR-information record; R-reaction; R,, R,I and R,,,types of reaction; S-substantives (nouns); S,,,, S,,, and Sins,,nouns in the genitive, accusative and instrumental cases; S,-nouns of the semantic class R; SRI, SRI, and SR,,rnouns of the semantic classes R,, R,, and R,,,; F’*----a vocabulary of words having a structural analogue; V,,,-the vocabulary of other words; *-a word from V<~; So--a noun from V,.