Did you mean: nacn naxin nianjin nianxin niaoqin nijin niujin niuxin ?
| 烟酸 | yān suān | niacin (vitamin B3) / 3-Pyridinecarboxylic acid C6H5NO2 / nicotinic acid |
| 烟碱素 | yān jiǎn sù | (Tw) niacin |
| 烟碱酸 | yān jiǎn suān | niacin (vitamin B3); nicotinic acid; Pyridine-3-carboxylic acid C6H5NO2 |