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Zakreslete vzorce:
1) 2-(3-oxobutyl)-5-sulfocyklohexan-1-karboxylová kyselina
2) 5,6-dihydroxy-4-(1-nitroethyl)hexanonitril
3) methyl-4-methoxy-6-sulfanylbicyklo[4.2.0]oktan-2-karboxylát
4) 1-methyl-6-oxospiro[2.4]heptan-4-karbaldehyd
5) 1-isobutyl-2,4-dimethyl-5-nitrobenzen