水杨酰氯

环己酮

二氯甲烷

1-((2R,4S,5S)-4-azido-5-(((2-oxido-4H-benzo[d][1,3,2]dioxaphosphinin-2-yl)oxy)methyl)tetrahydrofuran-2-yl)-5-methylpyrimidine-2,4(1H,3H)-dione

α-isosalicin