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The 1 H-NMR spectra, obtained in deuterated acetone, reveals separate signals for aromatic protons on ring A ( 7.21 and 6.83 ppm), a singlet at 6.24 ppm from ring B, and downfield doublets for ring C protons ( 5.42 and 4.49%)
The aqueous phase was dried using vacuum centrifugation, and the sample was reconstituted with 50 L of 50% methanol prior to LCMS/MS analysis
10.1016/j.fertnstert.2004.02.132
Cocaine blocks its reuptake in insects, and thereby has insecticidal properties that are protective to the coca plant
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