例句與造句

1. They were generally extracted from " Roccella " spp . and " Ochrolechia " spp . contain the lichen substance orcin, which converts into the purple dye orcein in the ammonia fermentation process.
2. In 1806, with Louis Nicolas Vauquelin ), cantharidin ( 1810 ), the Sigma-1 receptor agonist noscapine ( 1817 ), caffeine ( 1821 ), alizarin ( later on moved to mass industrial production by Carl Gr鋌e and Carl Theodore Liebermann in Germany, and by William Henry Perkin in Great Britain ) and purpurin ( 1826 ), Orcin ( 1829 ), amygdalin ( 1830 ), as well as codeine ( 1832 ).
3. It's difficult to find orcin in a sentence. 用orcin造句挺難的