Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Itacen cinchona ya kasance shine kawai tushen tattalin arziki na quinine. Koyaya, a ƙarƙashin matsin lamba na lokacin yaƙi, an gudanar da bincike don samar da shi. An kammala aikin hada sinadarai a 1944 ta masana kimiyyar Amurka R.B. Woodward da W.E. Doering. Tun daga wannan lokacin, an sami ingantattun hanyoyin haɗin quinine da yawa, amma babu ɗayansu da zai iya yin gasa ta fuskar tattalin arziki tare da keɓewar alkaloid daga tushen halitta. Na farko da aka kirkiro da sinadarin halitta, mauveine, William Henry Perkin ne ya gano shi a 1856 yayin da yake kokarin hada quinine.  Tambaya: Menene asalin masana kimiyyar sunadarai waɗanda suka yi sinadarin sunadarai a 1944?
Ba'amurke