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JOURNAL OF NATURAL P 45 PHYTOCHEMISTRY 37 CHEMICAL & PHARMACEU 36
FITOTERAPIA 28 JOURNAL OF ASIAN NAT 25 JOURNAL OF AGRICULTU 24
TETRAHEDRON 21 CARBOHYDRATE POLYMER 18 ORGANIC LETTERS 16
MAGNETIC RESONANCE I 15 TETRAHEDRON LETTERS 15 HELVETICA CHIMICA AC 14
MOLECULES 14 PHYTOCHEMISTRY LETTE 12 ANGEWANDTE CHEMIE-IN 10
天然产物研究与开发 10 CHEMISTRY & BIODIVER 9 CHINESE CHEMICAL LET 9
ARCHIVES OF PHARMACA 8 NATURAL PRODUCT RESE 8