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. Author manuscript; available in PMC: 2012 Nov 1.
Published in final edited form as: Bioorg Med Chem. 2011 Aug 27;19(21):6474–6482. doi: 10.1016/j.bmc.2011.08.053

Table 1.

Mass spectral and HPLC characterization of compounds 11 and 12.

Compound Formula
[M]		 Calc Mass
[Ion]		 Mass
Found
(error)		 tRa
11 C36H47N9O7 718.3671 [M+1]+ 718.3669 (0.3 ppm) 23.52
12 C44H60N14O5 800.4454 [M+1]+ 800.4450 (0.5 ppm) 24.16
a

Linear gradient of from 10→90% acetonitrile in water containing 0.1% TFA over 50 min.