Report copyright - (19) 대한민국특허청(KR) (12) 등록특허공보(B1)nongup.gg.go.kr/wp-content/uploads/sites/2/2014/09/10_1251338.pdf · C-NMR 및 DEPT 스펙트럼 에서 16개의 탄소 시그널(carbon
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