A new spirosecokaurenoid, enanderinanin F 1 and its C-6 epimer, angustifolin were isolated from the aerial parts of Isodon enanderianus. The structure of 1 was
Methanol and detergent are chosen to be additives for the catalysts derived from active carbon supported MgO and cobalt phthalocyanine (CoPc) or CoPc/NaY zeolit