5.3.5f1:2.3.0.0
StandaloneWindows
C:/Program Files/Unity/Editor/Data/Managed/UnityEngine.dll
C:/Program Files/Unity/Editor/Data/UnityExtensions/Unity/GUISystem/UnityEngine.UI.dll
C:/Program Files/Unity/Editor/Data/UnityExtensions/Unity/Networking/UnityEngine.Networking.dll
C:/Program Files/Unity/Editor/Data/Managed/UnityEditor.dll