【化】 propylhexedrine
methyl
【化】 methyl; methylic
【医】 Me.; methyl; methyl group; methylium
era; generation; take the place of
【电】 generation
armour; first; nail; shell
【医】 carapace; concha; conchae; helo-; nail; onycho-; onyx
base; basic; foundation; key; primary; radix
【化】 group; radical
【医】 base; basement; group; radical
amine
【化】 amine
【医】 amine