Kuang, Y.-Y.;                     Chen, F.-E.    
        Synthesis and Molecular Structure of Ethyl [N-tosyl-(R)-prolyloxy]-2(S)-[4-cyano-8,8-ethylenedioxy-5-oxo-5,6,7,8-tetrahydroindolizin-3-yl] Acetate, a Key Intermediate in the Total Synthesis of (20S)-Camptothecins. Molecules 2007, 12, 2507-2514.
    https://doi.org/10.3390/12112507
    AMA Style
    
                                Kuang Y-Y,                                 Chen F-E.        
                Synthesis and Molecular Structure of Ethyl [N-tosyl-(R)-prolyloxy]-2(S)-[4-cyano-8,8-ethylenedioxy-5-oxo-5,6,7,8-tetrahydroindolizin-3-yl] Acetate, a Key Intermediate in the Total Synthesis of (20S)-Camptothecins. Molecules. 2007; 12(11):2507-2514.
        https://doi.org/10.3390/12112507
    
    Chicago/Turabian Style
    
                                Kuang, Yun-Yan,                                 and Fen-Er Chen.        
                2007. "Synthesis and Molecular Structure of Ethyl [N-tosyl-(R)-prolyloxy]-2(S)-[4-cyano-8,8-ethylenedioxy-5-oxo-5,6,7,8-tetrahydroindolizin-3-yl] Acetate, a Key Intermediate in the Total Synthesis of (20S)-Camptothecins" Molecules 12, no. 11: 2507-2514.
        https://doi.org/10.3390/12112507
    
    APA Style
    
                                Kuang, Y.-Y.,                                 & Chen, F.-E.        
        
        (2007). Synthesis and Molecular Structure of Ethyl [N-tosyl-(R)-prolyloxy]-2(S)-[4-cyano-8,8-ethylenedioxy-5-oxo-5,6,7,8-tetrahydroindolizin-3-yl] Acetate, a Key Intermediate in the Total Synthesis of (20S)-Camptothecins. Molecules, 12(11), 2507-2514.
        https://doi.org/10.3390/12112507