Question: This COSY spectrum was produced by the molecule shown below. Two hydrogen atoms have been assigned. Use the COSY spectrum to help with assignment the

This COSY spectrum was produced by the molecule shown below. Two hydrogen atoms have been assigned. Use the COSY spectrum to help with assignment the remaining resonances (H2. Hand HO) H4 H2 H? ? HH IH TH 2 ppm 7.0 H. -7.5 H 8.0 1H-H COSY Spectrum (DMSO-de 400 MHz) H 8.5 : -9.0 9.0 8.0 7.5 7.0 pom HH IH HE ppm HE 1. - 7.0 -7.5 HA -8.0 H-'H COSY Spectrum (DMSO-do. 400 MHz) H, -8.5 HE HE 9.0 . 9.0 8.5 B.O 7.5 7.0 ppm NO, H A B c OH

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