What do the abbreviations i) dien and ii) gly represent?

Explanation

(i) `underset("diethylenetriamine"("dien"))(H_(2)ddotN-CH_(2)-CH_(2)-ddot(N)H-CH_(2)-CH_(2)-ddot(N)H_(2))` (ii) `{:(" "H_(2)C-ddot(N)H_(2)),(" "|),(underset("glycinate"("gly"))(O=C-O^(Theta))):}`