<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.min.js"></script>
<script>
$(function() {
    $('.c1').not('.c2').live('click', function() { //<== .bind() works
        alert(123);
    })
});
</script>

<div class="c1">c1</div><br />
<div class="c1 c2">c1 c2</div><br /><br />

First div must show alert on click.

It doesn't work with live but works with bind.