Q <chr_abbr type="reg" class="sc" expan="uant" cert="no">nt-alpha</chr_abbr> <chr_var letter="s" var="long">∫</chr_var>on c<chr_abbr type="reg" class="dc" expan="on" cert="no">o-hbar</chr_abbr>peign<chr_abbr type="reg" class="dc" expan="on" cert="no">o-hbar</chr_abbr> a <chr_abbr type="reg" class="sc" expan="tro" cert="no">t-o</chr_abbr>ue. 