<prompt> Bheka isiqephu esingezansi bese uphendula umbuzo olandelayo ngolimi olufanayo nesiqephu: Isiqephu: I-furfural yaqala ukuhlukaniswa ngo-1821 eyanyatheliswa ngo-1832 ngukhemisi waseJalimane uJohann Wolfgang Döbereiner, owakhiqiza isampula elincane njengomkhiqizo we-formic acid synthesis. Umbuzo: Iyiphi i-asidi eyenziwe nguDöbereiner?  <response>: umnyovu 