( ( Beyond ( ( ( carbides and ) compounds ) ( containing ( ( the ( allotrope s ) ) ( of carbon ) ) ) ) ) ( , ( compounds ( generally ( ( ( regarded ( as inorganic ) ) ( that ( contain ( ( carbon-carbon bonds ) ( are ( ( , ( ( at best ) , ) ) rare ) ) ) ) ) ) . ) ) ) ) )
(ROOT (S (PP (IN Beyond) (S (NP (NNS carbides) (CC and) (NNS compounds)) (VP (VBG containing) (NP (NP (DT the) (JJ allotrope) (NN s)) (PP (IN of) (NP (NN carbon))))))) (, ,) (NP (NNS compounds)) (ADVP (RB generally)) (VP (VBD regarded) (ADJP (RB as) (JJ inorganic)) (SBAR (IN that) (S (VP (VBP contain) (SBAR (S (NP (JJ carbon-carbon) (NNS bonds)) (VP (VBP are) (ADJP (PRN (, ,) (ADVP (IN at) (JJS best)) (, ,)) (JJ rare))))))))) (. .)))
Beyond carbides and compounds containing the allotrope s of carbon, compounds generally regarded as inorganic that contain carbon-carbon bonds are, at best, rare.
(ROOT (S (NP (NP (JJ Binary) (NNS compounds)) (PP (IN of) (NP (NP (NN carbon)) (PP (IN with) (NP (ADJP (RBR less) (JJ electronegative)) (NNS elements)))))) (VP (VBP are) (VP (VBN called) (NP (NNS carbides)))) (. .)))