<chr_var letter="Q" var="1">Q1</chr_var> <chr_abbr type="reg" class="sc" expan="ntra" cert="no">nt-alpha</chr_abbr> <chr_abbr type="reg" class="dc" expan="" cert="no">ma-hbar</chr_abbr>gie orent l<chr_abbr type="reg" class="dc" expan="on" cert="no">o-hbar</chr_abbr>gue<chr_abbr type="reg" class="dc" expan="" cert="no">mt-hbar</chr_abbr> 