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. 2018 Jan 9;3(1):229–239. doi: 10.1021/acsomega.7b01852

Figure 2.

Figure 2

(a) 13C MAS–NMR spectra of allylCalix (lower) and MCM-allylCalix (upper). (b) 29Si MAS–NMR spectra of MCM-allylCalix. The coordination cores, e.g., Q2, Q3, and Q4 and T2 and T3, are shown in the upper half.