Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Passage: Nzira dzemazuva ano dzekugadzira pyridine dzaiva nezvibereko zvishoma, uye kudiwa kwechinhu chitsva ichi kwakakurudzira kutsvaka nzira dzinoshanda zvikuru. Kufambira mberi kukuru kwakaitika muna 1924 apo mumwe musayendisiti wokuRussia anonzi Aleksei Chichibabin akagadzira nzira yokugadzira nayo pyridine, iyo yaibva pazvinhu zvisingadhuri. Nzira iyi ichiri kushandiswa kugadzira pyridine mumaindasitiri.  Mubvunzo: Zita romukemisi wokuRussia wacho rainzi ani?
Aleksei Chichibabin