菸碱酸 yān jiǎn suān

DEFINITIONS

  1. niacin (vitamin B3)
  2. 3-Pyridinecarboxylic acid C6H5NO2
  3. nicotinic acid

CHARACTERS

菸 yān to fade; withered or dried leaves; tobacco (used for U+70DF 烟 and U+7159 煙)
碱 jiǎn alkaline, alkali, lye, salt
酸 suān
HSK 4
tart, sour; acid; stiff; spoiled