One-Step Synthesis of 3‑(Fmoc-amino acid)-3,4-diaminobenzoic Acids oleh Min-Cheng Chien, Yi Kai Lin, Yong Liao, Szu-Hsuan Chen, Yen-Wei Chen, Chien-Yu Liang, Vijayasimha Molakaseema, Sodio C. N. Hsu, Chun-Cheng Lin, Hui-Ting Chen, Chai-Lin Kao