ethane-1-hydroxy-1，1-diphosphonate羟乙(烷基)二膦酸：见etidronate

sodium etidronate

[=ethane-1-hydroxy-1,1-diphosphonic acid]乙烷-1-羟基-1,1-磷酸
[=ethyl hydroxydiphosphorate]羟基二磷酸乙酯