烟酸 | yān suān | niacin (vitamin B3) / 3-Pyridinecarboxylic acid C6H5NO2 / nicotinic acid | ![]() ![]() |
烟碱酸 | yān jiǎn suān | niacin (vitamin B3) / nicotinic acid / Pyridine-3-carboxylic acid C6H5NO2 | ![]() |
菸碱酸 | yān jiǎn suān | niacin (vitamin B3) / 3-Pyridinecarboxylic acid C6H5NO2 / nicotinic acid | ![]() |