RichTextBox Rtf Formatting \sub problem

[sitemap]

Hello

I have a problem with RichTextBox.Rtf formatting.

I want to do something like this: ( st / MW\sub h\sub0 )
but this is does not work :-(
Please help

Thank you in advance

this is the code:

s1t1Results.Rtf = @"{"+def.labelResults + Environment.NewLine +
Environment.NewLine
+ @"n: " + resar[0].ToString("N2") +
Environment.NewLine
+ @"hel1: " + resar[5].ToString("N2") +
Environment.NewLine
+ @"hh1: " + resar[6].ToString("N2") +
Environment.NewLine
+ @"K: " + resar[7].ToString("N2") +
Environment.NewLine
+ @"Some other Text: " + resar[8].ToString("N2") + "(
st / MW\sub h \sub0 )}";