If You Ran a Pharmaceutical Company,what Would Be the Most

If you ran a pharmaceutical company,what would be the most effective series of steps for your company to discover new drugs from plants and bring them to market?

A) Identify likely drug sources,test chemicals on cultured cells,select the most effective chemical,convert chemical into a form for delivery into humans,do clinical trials,get FDA approval for drug sales,scale up drug supply.
B) Identify likely drug sources,select the most effective chemical,convert chemical into a form for delivery into humans,test chemicals on cultured cells,do clinical trials,get FDA approval for drug sales,scale up drug supply.
C) Identify likely drug sources,select the most effective chemical,test chemicals on cultured cells,convert chemical into a form for delivery into humans,do clinical trials,scale up drug supply,get FDA approval for drug sales.
D) Get FDA approval for drug sales,identify likely drug sources,test chemicals on cultured cells,select the most effective chemical,convert chemical into a form for delivery into humans,do clinical trials,scale up drug supply.
E) Get FDA approval for drug sales,identify likely drug sources,test chemicals on cultured cells,do clinical trials,select the most effective chemical,convert chemical into a form for delivery into humans,scale up drug supply.