【化】 methyl-thionamic acid
armour; first; nail; shell
【医】 carapace; concha; conchae; helo-; nail; onycho-; onyx
【化】 amido-sulfonic acid; aminosulfonic acid; sulfamic acid; sulfamidic acid
sulfaminic acid; sulfoamidic acid; sulfonamic acid; thionamic acid
【医】 sulfaminic acid