3.
Ethanehydroxydiphosphonate
7.
(1-hydroxyethylene)diphosphonic acid
8.
(1-hydroxyethylene)diphosphonic acid, Tetrapotassium Salt
9.
1,1-hydroxyethylenediphosphonate
10.
1-Hydroxyethane-1,1-Diphosphonate
11.
1-Hydroxyethylidene-1,1-Bisphosphonate
15.
Disodium 1-Hydroxyethylene Diphosphonate
17.
Ethanehydroxyphosphate
18.
Etidronate, Tetrapotassium Salt
21.
Hydroxyethanediphosphonate
22.
Hydroxyethylidene Diphosphonic Acid
23.
Phosphonic acid, (1-hydroxyethylidene)bis-, disodium salt
27.
1 Hydroxyethane 1,1 Diphosphonate
28.
1 Hydroxyethylidene 1,1 Bisphosphonate
29.
1,1 hydroxyethylenediphosphonate
30.
1-Hydroxyethylene Diphosphonate, Disodium
31.
Diphosphonate, Disodium 1-Hydroxyethylene
32.
Diphosphonic Acid, Hydroxyethylidene
33.
Disodium 1 Hydroxyethylene Diphosphonate
38.
Salt Etidronate, Tetrapotassium
39.
Tetrapotassium Salt Etidronate