Marginatol (1), a new isopimarene diterpenoid, and five known compounds 8(14),15-sandera-copimaradiene-1α,9α-diol (2), 8(14), 15-sanderacopimaradene-1α 6β,9
A new type of stationary phase for capillary electrochromatography (CEC), immobilized SE-30 coated silica gel, was developed and the columns packed with this ne