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. 2020 Mar 29;18(4):180. doi: 10.3390/md18040180

Figure 3.

Figure 3

RP-UPLC and mass spectrometry analysis of the final cTxIB-4, 5, 6, and 7. (a) RP-UPLC chromatogram of cTxIB-4 with a retention time of 2.78 min; (b) ESI-MS data of cTxIB-4 with a mass of 1979.28 Da; (c) RP-UPLC chromatogram of cTxIB-5 with a retention time of 2.70 min; (d) ESI-MS data of cTxIB-5 with a mass of 2036.22 Da; (e) RP-UPLC chromatogram of cTxIB-6 with a retention time of 2.69 min; (f) ESI-MS data of cTxIB-6 with a mass of 2107.11 Da; (g) RP-UPLC chromatogram of cTxIB-7 with a retention time of 2.67 min; (h) ESI-MS data of cTxIB-7 with a mass of 2164.32 Da.