rovide the common name (not IUPAC) for the structure that is consistent with the spectral data (below). The integrations rrom nost downiield to most upfield are 2.5:1:1.5 Additional Data: The molecule represented by the 1H NMR Spectrum above shows no change in its spectrum when treated with normal hydrogenation conditions. 1) Common Name: rovide the common name (not IUPAC) for the structure that is consistent with the spectral data (below). The integrations rrom nost downiield to most upfield are 2.5:1:1.5 Additional Data: The molecule represented by the 1H NMR Spectrum above shows no change in its spectrum when treated with normal hydrogenation conditions. 1) Common Name