taking t3 with DNP will actually tend to be more catabolic to muscle tissue and have no additive effect on fat loss. DNP suppresses conversion to T3 (part of the reason that it considered muscle sparing).
taking yohimburn will increase fat loss and should present no issues.
taking beta agonists with DNP is not reccomended, use of amphetamine, cocaine or MDMA with DNP can be lethal.
if you need energy/stimulus (as DNP can certainly induce lethargy), simple caffiene or a non beta adrenergic like cardio breeze.
small amounts of fructose 1-3 grams 3-5 times per day can be quite beneficial, depletion of liver glycogen will tend to cause hypoglycemic issues (and subsequent overeating)