求所有N,U,B,A开头的英文单词.

Nn-n carriern curveN factorsN linesN methylmyosmineN polen quadrantn raysn regionn scann scopeN-(1,2-diphenylethyl)nicotinamideN-(1-naphthyl)ethylenediamineN-(2-chloroethyl)bibenzylamine hydrochlorideN-(3-aminopropyl)-butane-1,4-diamineN-(4,6-diamino-s-triazin-2-yl)arsanilic acid sodium saltN-(-beta-aminoethyl)-gamma-aminopropyl trimethoxysilaneN-(ethylmercuri)-p-toluenesulfonanilideN,1-acetylsulfanilamideN,2-formylsulfisomidineN,4-acetylsulfanilamideN,4-sulfanilylsulfanilamideN,5-hydroxymethyltetrahydrofolic acidN,6-2'-O-dibutyryl adenosine-3',5'-monophosphate(DBC)N,6-furfuryladenineN,6-isopentenyladenineN,N,1-trimethyl-3,3-diphenylpropylamineN,N'-carbonyldiimidazoleN,N-di-(sec)-octylacetamide(DOAA)N,N'-di-beta-naphthyl-p-phenylene diamineN,N-dibutylanilineN,N'-diethyl thioureaN,N-diethyl-2-benzothiazole sulfenamideN,N-diethylacetamideN,N-diethylbenzhydrylamineN,N-diethylcarbanilideN,N-diethylnicotinamideN,N-diethyl-p-phenylenediamineN,N'-difurfuryl thioureaN,N-diisopropyl-2-benzothiazole sulfenamideN,N-dimethylacetamide(DMA)N,N-dimethyl-alpha-(3-phenylpropyl)veratrylamineN,N-dimethylanilineN,N-dimethylformamide(DMF)N,N-dimethyl-p-phenylenediamineN,N-dimethyltryptamineN,N'-dinitrosopentamethylene tetramineN,N'-diphenyl acetamidineN,N'-diphenyl-ethylene diamineN,N'-diphenyl-formamidineN,N'-diphenyl-p-phenylenediamineN,N-diphenylthioureaN.A.N.A.D.N.C.GN.N.N.N.N.N.culture-mediumN.P.N.N.T.P.
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