Making My Own Preworkout

I am going to attempt to make my own pre-work out, any suggestions for contents and ratios?
I’m thinking:
Creatine ethylester
Arganine AKG
Beta alanine
Caffine Anhydrous
Citrulline Malate
D-Aspartic Acid
Glycerol Mono Stearate
Inosine
Taurine