N n神经传递nn.字母nNK masquerade.铃声P!n-nonylpridinen.正壬基吡啶n type diffusion施钟质扩散N/C machining数控加工N-butylaniline[化] N-丁苯胺; N-丁基苯胺N acetylcysteine乙酰半胱氨酸n-buty formate甲酸正丁酯n-amylchloride1-氯戊烷n-amyl cyanide[化] 戊基氰; 正戊基氰n-heptaldehyden.正庚醛