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3.4. Spectral Data of the Compounds

LS Lamiaa A. Shaala
DY Diaa T. A. Youssef
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Hemimycalin C (1). Yellow powder; IR γmax (film) 3382, 1721, 1644, 1595 cm−1; NMR data: see Table 1 and Table 2; HRESIMS m/z 205.0609 (calculated for C10H9N2O3 [M + H]+, 205.0607).

Hemimycalin D (2). Yellow powder; IR γmax (film) 3374, 1724, 1646, 1594 cm−1; NMR data: see Table 3 and Table 4; HRESIMS m/z 204.0771 (calculated for C10H10N3O2 [M + H]+, 204.0767).

Hemimycalin E (3) Yellow powder; IR γmax (film) 3375, 1723, 1647, 1595 cm−1; NMR data: see Table 5; HRESIMS m/z 311.1118 (calculated for C14H16N4O3Na [M + Na]+, 311.1114).

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