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"'I'm a Physician,' He Said
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for detailed mass spectra at 0.5% of the base peak see Table S.1 in the Supplementary Materials), each having a clear molecular ion (M + ) at m / z = 176 amu along with the N-methyl pyrrolidine fragment 12 C 5 1 H 10 14 N + as the base peak at m / z = 84 amu, as is shared also with nicotine (but not with the C-bonded methyl pyrrolidine nicotine analogs for which a major peak is for a C-bonded methyl pyrrolidine fragment 12 C 6 1 H 12 14 N + at m / z = nominal mass 98 amu)
Like their penniless English counterparts, these first African settlers in Virginia were destined to spend a period of at least seven years in indentured servitude before gaining freedom
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