Two French chemists (1 янв 1820 г. – 1 янв 1840 г.)
Описание:
In 1820, two french chemists, Pierre Pelletier and Joesph Caventou, extracted the alkaloid of quinine from cinchona bark, and by the 1840s European colonizers kept quinine pills by their bed standsДобавлено на ленту времени:
Дата:
1 янв 1820 г.
1 янв 1840 г.
~ 20 years