【化】 Houben-Fischer nitrile synthesis
quickly; suddenly
the root of a plant; this
【机】 aetioporphyrin
charge; cost; expenses; fee; spend
【医】 fee
【经】 fee
hope; rare
like so; you
【化】 acid nitrile; hydrocyanic ester; hydrocyanic ether; nitrile
【医】 nitrile
【计】 synthesis method
【医】 synthetic process