FIELD: chemistry of metalloorganic compounds.
SUBSTANCE: invention describes a composition that comprises one or some compounds of the formula (I): X-Y (I) wherein X means group of the formula (II): 
Y means group of the formula (III): 
wherein each A and B means independently unsubstituted or substituted aromatic carbon ring or unsubstituted or substituted aromatic heterocyclic ring; group or each group Z represents independently unsubstituted or substituted bivalent hydrocarbyl group; n means 0 or a whole number from 1 to 10. Also, invention relates to using such compounds in recovering gas black-traps in combustion systems, such as engines with spontaneous ignition as result of high degree of compression.
EFFECT: valuable technical properties of compositions.
42 cl, 16 tbl, 7 ex
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