【医】 lactyl
【化】 ethylidene lactic acid; lactic acid; nancic acid
【医】 alpha-hydroxypropionic acid; ethylidene lactic acid; hydracrylic acid
lactic acid; oxypropionic acid; sarcolactic acid
base; basic; foundation; key; primary; radix
【化】 group; radical
【医】 base; basement; group; radical