what is the name of the drug formulation of formic acid homeopathic preparation with strength more than 0.2?
(AND medicine.drug_formulation (AND (JOIN (R medicine.drug_strength.drug_formulations) (ge medicine.drug_strength.strength_value 0.2^^http://www.w3.org/2001/XMLSchema#float)) (JOIN (R medicine.drug.marketed_formulations) m.0j4hfgw)))