trisodium;5-oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)diazenyl]-4H-pyrazole-3-carboxylate 、
(11-amino-1-hydroxyundecylidene)bisphosphonic acid 、
乙酸酐 在
H+ 作用下,
以After treatment with Dowex H+ (50 W×8-200) cation exchange resin 6c (0.78 g, 83%) was obtained as white solid的产率得到tridecane-1,1-diyldiphosphonic acid