单词 nicotinamide 释义 nicotinamide Biochem.|nktnmad|[f. nicotinic a. + amide.]a. The amide, (C5H4N)CONH2, of nicotinic acid, which can be converted into the acid in vivo and so can replace it in the diet.1895Jrnl. Chem. Soc. LXVIII. i. 391 On heating et...