ナ

1. ﾅｲｱｼﾝ:Niacin, Vitamin B₃, Nicotinic acid
2. ﾅｲｱｼﾝｱﾐﾄﾞ:Niacinamide, Nicotinamide, Nicotinic acid amide
3. ﾅｲﾛﾝ:Nylon, Polyamide
4. ﾅｲﾛﾝ6:Nylon6, Polycaprolactam
5. ﾅｲﾛﾝ6/T:Nylon6/T, Polytrimethyl hexamethylene terephthalamide
6. ﾅｲﾛﾝ6/6:Nylon6/6, Polyhexamethylene adipamide
7. ﾅｲﾛﾝ6/9:Nylon6/9, Polyhexamethylene nonanediamide
8. ﾅｲﾛﾝ6/10:Nylon6/10, Polyhexamethylene sebacamide
9. ﾅｲﾛﾝ6/12:Nylon6/12, Polyhexamethylene dodecanediamide
10. ﾅｲﾛﾝ11:Nylon11, Polyundecanoamide
11. ﾅｲﾛﾝ12:Nylon12, Polylaurylactam
12. ﾅﾄﾘｳﾑ:Sodium, Na⁺
13. ﾅﾌﾀﾚﾝ:Naphthalene
14. ﾅﾏｺﾞﾑ(生ｺﾞﾑ):Rubber
15. ﾅﾏﾘ(鉛):Lead, Pb²⁺