Preparation Pituitary hFSH Urinary hFSH GH3hFSH hFSH24 hFSH21 hFSH21/18
Amt. anal. (μg) 19.1 30.2 22.5 21.4 26.5 13.1
Glycan Ions1 2/80 11/67 11/33 30/109 25/108 40/43
Neutral Cores Inferred 34 25 25 49 50 39
Asialo-Neutral Cores Detected 27 24 20 42 53 43
Table 2: Summary of glycan ions detected by nano-electrospray mass spectrometry of six hFSH preparations.