Lee, Jeongae Park Song Ja Pyo Hee Soo Lho Dong Seok 2024-01-13T15:31:17Z 2024-01-13T15:31:17Z 2021-09-29 https://pubs.kist.re.kr/handle/201004/108356 English chromatography Drug Derivatization Fragmentation GC/MS GC/MS analysis of intact sydnonimine ring Conference 1 48th American Society for Mass Spectrometry, pp.? 48th American Society for Mass Spectrometry ? ? US