NOVEL METHODS FOR PRODUCTION OF 5-EPI-BETA-VETIVONE, 2-ISOPROPYL-6,10-DIMETHYL-SPIRO[4.5]DECA-2,6-DIEN-8-ONE, AND 2-ISOPROPYL-6,10-DIMETHYL-SPIRO[4.5]DECA-1,6-DIEN-8-ONE
MAGNETIC NANO-COMPOSITE FOR CONTRAST AGENT, INTELLIGENT CONTRAST AGENT, DRUG DELIVERY AGENT FOR SIMULTANEOUS DIAGNOSIS AND TREATMENT, AND SEPARATION AGENT FOR TARGET SUBSTANCE