차기석 김충섭 2024-01-12T13:35:45Z 2024-01-12T13:35:45Z 1999-11-30 https://pubs.kist.re.kr/handle/201004/88094 N,N-디아실이미다졸론　유도체를　이용한아민의　아실화　방법 Patent 1999-11-30 1998-10-29 5,994,557 09/182,148 US 특허 한국과학기술연구원