【医】 larocaine
【化】 p-aminobenzoic acid
【医】 aminobenzoic acid; Bx factor; chromotrichial factor; dracilic acid
p-aminobenzoic acid; PAB; paraaminobenzoic acid; sulfonamide antagonist
【机】 diethylamine
base; basic; foundation; key; primary; radix
【化】 group; radical
【医】 base; basement; group; radical