what is most intense euphoric stimulant to inject

[snowblowjoe80]

i placed this under advanced discussion due to the plethora or stimulant analogues and research chemicals now...
it can be any stimulant besides cocaine. i cant iv coke anymore

but is it high quality crystal? 4-fma,4fa,2fa,mephedrone,etc etc

 

[sekio]

this is not advanced discussion