Question: Extracting solutions from dsolve

As part of a worksheet I have the following commands sys1sol := dsolve(sys1, numeric); sys1sol(2); Where the appropriate things have already been defined. As an ouput for sys1sol(2) I get [t = 2., i1(t) = 0.929532062300405666e-1, s1(t) = .907046793769959448] Is there any way I can extract the value for i1(t) and s1(t) in order to use them later on in the worksheet? Many thanks.
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