How to get properties of type T in Task

I am trying to get the properties of a return type of a method using reflection.

I am getting the return type of the method using MethodInfo.ReturnType, which yields my a type of Task<T> since my method is async. Using GetProperties on this type yields me with the properties belonging to Task: Result, Exception, AsyncState. However, I want to get the properties of the underlying type T.

var myMethodInfo = MyType.GetMethod("MyMethod");
var returnType = myMethodInfo.ReturnType;
var myProperties = returnType.GetProperties(); // [Result, Exception, AsyncState]

How can I get the properties of the underlying type T in Task in stead of the properties of Task?