Nicotine, in closed pregnant women, crosses the placenta barrier, reaching the embryo and increasing its heart rate, that is, “the embryo smokes”. Observe a nicotine structure below. How many primary, secondary, tertiary and quaternary carbon atoms are in the structure:
4 primary, 5 secondary, 1 tertiary, 0 quaternary
3 primary, 6 secondary, 1 tertiary, 0 quaternary
3 primary, 6 secondary, 0 tertiary, 1 quaternary
4 primary, 5 secondary, 0 tertiary, 1 quaternary
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The answer is 4 primary, 5 secondary, 1 tertiary, 0 quaternary
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