C - Chemistry – Metallurgy – 07 – H
Patent
C - Chemistry, Metallurgy
07
H
260/210.4
C07H 23/00 (2006.01) C07C 51/367 (2006.01) C07C 59/64 (2006.01) G01N 33/82 (2006.01)
Patent
CA 1109464
Abstract VITAMIN B-12 DERIVATIVE SUITABLE FOR RADIOLABELING Radiolabeled vitamin B12 derivatives having the formula vitamin Image wherein R is hydrogen or alkyl of 1 to 3 carbon atoms; n is 0, 1, 2, 3, or 4; and the asterisk (*) indicates tagging with a radioisotope, are useful as tracers in radioassays.
326281
Bernstein Jack
Varma Ravi K.
Vogt Berthold R.
Weisenborn Frank L.
Bracco International B.v.
Osler Hoskin & Harcourt Llp
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