Excelmale,
I received bimix from my doctor who has his own lab to make it. I was told it's a 12.8mL vial of:
30 mg/cc Papaverine
3.3 mg/cc Phentolamine (I googled around a bit and haven't see anyone mix in this much phentolamine, so it's a high concentration)
I paid $325 for it. I usually need...