Because by the time you get halfway through the article you'll see that this is the draft resolution that had been prepared IN CASE BRAZIL FAILED. Only, of course, Brazil didn't fail. So this draft represents the fall-back position that had been agreed to prior to Brazil's negotiations, and because of Brazil's success there is no need to fall back onto it.
Islamic State blows up tower tombs in Syria's Palmyra (Reuters)
from the article: Obama backs Iran nuclear sanctions draft