Here you go.

"Derived from a cross of 'Brandywine' X 'Cherokee Purple'. Though later and lower yielding than the other lines, this one was chosen for one consistent quality - excellent flavor. Plants are regular leafed and indeterminate. 8-12 oz fruits are pink -red, green shouldered. 80-85 days. "

Dave

Here is a link that might be useful: Dora tomato plants

Thank you so much, specially for the link. K.