S i <chr_var letter="s" var="long">∫</chr_var>an uont <chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr> ont <chr_abbr type="reg" class="dc" expan="" cert="no">co-hbar</chr_abbr>gie pri<chr_var letter="s" var="long">∫</chr_var> 