From: Ability of Group IVB metallocene polyethers containing dienestrol to arrest the growth of selected cancer cell lines
m/e
(Proposed) Assignment
129
CpTiO
193
Cp2TiO
266
D
289
D, Na
313
U-A
529
U+A, O-Cp
551
U+B-Cp
573
U+B
643
U+Cp2TiO
706
U+D