Mutual separation between [N (C7H1S )4]6BCo (H20) W11 039 (AmCo+3B) and [N(C7H1s}4]6SiCo(H20}W11039 (AmCo+2Si) has been achieved for the first time. Reversed-phase C18 liquid chromatography, with 66.7/33.3 MeOH/petroleum ...