<chr_var letter="N" var="2">N2</chr_var> eni reme<chr_var letter="s" var="long">∫</chr_var>t hui<chr_var letter="s" var="long">∫</chr_var> ne <chr_abbr type="reg" class="dc" expan="en" cert="no">e-hbar</chr_abbr><chr_abbr type="reg" class="sc" expan="tre" cert="no">t-e</chr_abbr>e. 