In the examples 85–87, when k, l, and m > 6, the NH bonds can be inside the
molecular cavity or outside, giving rise to three isomers, as shown. Simmons and
Park242 isolated several such isomers with k, l, and m varying from 6 to 10. In
the 9,9,9 compound,
In the examples 85–87, when k, l, and m > 6, the NH bonds can be inside themolecular cavity or outside, giving rise to three isomers, as shown. Simmons andPark242 isolated several such isomers with k, l, and m varying from 6 to 10. Inthe 9,9,9 compound,
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