Robuta

https://ecmdb.ca/spectra/nmr_one_d/157881 ECMDB: 1H NMR Spectrum (M2MDB005502) ecmdb nmr spectrum https://ecmdb.ca/spectra/nmr_one_d/157883 ECMDB: 1H NMR Spectrum (M2MDB005502) ecmdb nmr spectrum