Metabolite profiling of potential bioactive fractions from ethanol extract of Boehmeria nivea flowers by GC–MS/MS analysis oleh Asri Peni Wulandari, Zahra Khira Nafisa, Tati Herlina, Rani Maharani, Gumgum Darmawan, Arli Aditya Parikesit, Rahadian Zainul