State Key Laboratory of Bioactive Substance and Function of Natural Medicines;
Institute of Materia Medica;
Chinese Academy of Medical Sciences and Peking Union Medical College;
Beijing 100050;
China;
NMPA Key Laboratory for Safety Research and Evaluation of Innovative Drug;
Beijing 100050;
China;
Key Laboratory of Mass Spectrometry Imaging and Metabolomics(Minzu University of China);
National Ethnic Affairs Commission;
Beijing 100081;
China;
Key Laboratory of Ethnomedicine of Ministry of Education;
School of Pharmacy;
Minzu University of China;
Beijing 100081;
China;
Ambient mass spectrometry imaging; Spatiotemporally resolved metabolomics; Isotope tracing; Drug targets; Central nervous system; Drug candidate;