From: Ability of Group IVB metallocene polyethers containing dienestrol to arrest the growth of selected cancer cell lines
U+A, O-Cp
U+B-Cp
m/e
% Nat Abu
% Rel Abun
% Rel Abu
46
11
527
549
12
47
10
528
550
48
100
529
551
49
7
530
552
8
50
531
5
553