| Cytotoxic benzophenanthridine and benzylisoquinoline alkaloids from Argemone mexicana YC Chang, FR Chang, AT Khalil, PW Hsieh, YC Wu Zeitschrift für Naturforschung C 58 (7-8), 521-526, 2003 | 118 | 2003 |
| Benzylamides fromSalvadora persica AT Khalil Archives of pharmacal research 29, 952-956, 2006 | 87 | 2006 |
| Bioactive pyranoxanthones from the roots of Calophyllum blancoi YC Shen, LT Wang, AT Khalil, LC Chiang, PW Cheng Chemical and pharmaceutical bulletin 53 (2), 244-247, 2005 | 73 | 2005 |
| New Cytotoxic Clerodane Diterpenoids from the Leaves and Twigs of Casearia membranacea YC Shen, CH Wang, YB Cheng, LT Wang, JH Guh, CT Chien, AT Khalil Journal of natural products 67 (3), 316-321, 2004 | 58 | 2004 |
| Limonoids from Citrus reticulata AT Khalil, GT Maatooq, KA El Sayed Zeitschrift Für Naturforschung C 58 (3-4), 165-170, 2003 | 54 | 2003 |
| Four New Briarane Diterpenoids from the Gorgonian Coral Junceella fragilis YC Shen, YH Chen, TL Hwang, JH Guh, AT Khalil Helvetica Chimica Acta 90 (7), 1391-1398, 2007 | 52 | 2007 |
| Vibsane Diterpenoids from the Leaves and Flowers of Viburnum o doratissimum YC Shen, CL Lin, SC Chien, AT Khalil, CL Ko, CH Wang Journal of natural products 67 (1), 74-77, 2004 | 51 | 2004 |
| Pregnane glycosides from Caralluma retrospiciens AF Halim, AT Khalil Phytochemistry 42 (4), 1135-1139, 1996 | 50 | 1996 |
| Frajunolides E−K, Briarane Diterpenes from Junceella fragilis CC Liaw, YC Shen, YS Lin, TL Hwang, YH Kuo, AT Khalil Journal of natural products 71 (9), 1551-1556, 2008 | 48 | 2008 |
| Chemical constituents from theHydrangea chinensis AT Khalil, FR Chang, YH Lee, CY Chen, CC Liaw, P Ramesh, SSF Yuan, ... Archives of pharmacal research 26, 15-20, 2003 | 46 | 2003 |
| Chromanones and dihydrocoumarins from Calophyllum blancoi YC Shen, LT Wang, AT Khalil, YH Kuo Chemical and pharmaceutical bulletin 52 (4), 402-405, 2004 | 43 | 2004 |
| Kadsuphilols A−H, Oxygenated Lignans from Kadsura philippinensis YC Shen, YB Cheng, TW Lan, CC Liaw, SS Liou, YH Kuo, AT Khalil Journal of natural products 70 (7), 1139-1145, 2007 | 40 | 2007 |
| Novel taxane diterpenes from Taxus sumatrana with the first C-21 taxane ester YC Shen, YS Lin, YB Cheng, KC Cheng, AT Khalil, YH Kuo, CT Chien, ... Tetrahedron 61 (5), 1345-1352, 2005 | 40 | 2005 |
| Two new cytotoxic clerodane diterpenoids from Casearia membranacea YC Shen, LT Wang, CH Wang, AT Khalil, JH Guh Chemical and pharmaceutical bulletin 52 (1), 108-110, 2004 | 39 | 2004 |
| Semisynthetic studies on the manzamine alkaloids KAE Sayed, AA Khalil, M Yousaf, G Labadie, GM Kumar, SG Franzblau, ... Journal of natural products 71 (3), 300-308, 2008 | 38 | 2008 |
| Cembrane Diterpenoids from the Taiwanese Soft Coral Sarcophyton stolidotum YB Cheng, YC Shen, YH Kuo, AT Khalil Journal of natural products 71 (7), 1141-1145, 2008 | 37 | 2008 |
| Novel linear C22-sesterterpenoids from sponge Ircinia formosana YC Shen, KL Lo, YC Lin, AT Khalil, YH Kuo, PS Shih Tetrahedron letters 47 (24), 4007-4010, 2006 | 36 | 2006 |
| Two new sesquiterpene lactones from Ixeris chinensis AT Khalil, YC Shen, JH Guh, SY Cheng Chemical and pharmaceutical bulletin 53 (1), 15-17, 2005 | 33 | 2005 |
| Cytotoxic Sesquiterpene Lactones from Eupatorium kiirunense, a Coastal Plant of Taiwan YC Shen, KL Lo, YH Kuo, AT Khalil Journal of natural products 68 (5), 745-750, 2005 | 32 | 2005 |
| New Bioactive Clerodane Diterpenoids from the Roots of Casearia membranacea CY Chen, YB Cheng, SY Chen, CT Chien, YH Kuo, JH Guh, AT Khalil, ... Chemistry & Biodiversity 5 (1), 162-167, 2008 | 31 | 2008 |
