( Indirectly ( ( as ( ( used ( in ( this subclass ) ) ) ( is ( meant ( to ( ( exclude compounds ) ( ( ( ( wherein ( ( a ( phosphorus atom ) ) ( ( is first ) ( ( ( bonded ( to ( a ( ring carbon ) ) ) ) , ) ( either ( ( directly or ) indirectly ) ) ) ) ) ) , ) and ) ( which ( ( ring carbon ) ( ( is eventually ) ( bonded ( to ( ( a ( nitrogen atom ) ) ( of ( the ( same ring ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (FRAG (ADVP (RB Indirectly)) (SBAR (IN as) (S (S (VP (VBN used) (PP (IN in) (NP (DT this) (NNS subclass))))) (VP (VBZ is) (VP (VBN meant) (S (VP (TO to) (VP (VB exclude) (NP (NNS compounds)) (SBAR (SBAR (WHADVP (WRB wherein)) (S (NP (DT a) (NN phosphorus) (NN atom)) (VP (VBZ is) (ADVP (RB first)) (VP (VBG bonded) (PP (TO to) (NP (DT a) (NN ring) (NN carbon))) (, ,) (ADVP (CC either) (RB directly) (CC or) (RB indirectly)))))) (, ,) (CC and) (SBAR (WHNP (WDT which)) (S (NP (NN ring) (NN carbon)) (VP (VBZ is) (ADVP (RB eventually)) (ADJP (JJ bonded) (PP (TO to) (NP (NP (DT a) (NN nitrogen) (NN atom)) (PP (IN of) (NP (DT the) (JJ same) (NN ring))))))))))))))))) (. .)))
Indirectly as used in this subclass is meant to exclude compounds wherein a phosphorus atom is first bonded to a ring carbon, either directly or indirectly, and which ring carbon is eventually bonded to a nitrogen atom of the same ring.
(ROOT (S (NP (NNS Amines)) (VP (VBP are) (VP (VBN classified) (PP (VBG according) (PP (TO to) (NP (NP (DT the) (NN number)) (PP (IN of) (NP (NP (NN carbon) (NNS atoms)) (VP (VBG bonded) (ADVP (RB directly)) (PP (TO to) (NP (DT a) (PRN (-LRB- -LRB-) (NP (NN n)) (-RRB- -RRB-)) (JJ nitrogen) (NN atom))))))))))) (. .)))