| 14c-proxigermanium |
| 2-carboxyethylgermasesquioxane |
| 3,3'-(dioxodigermoxanylene) dipropanoic acid |
| 3,3'-(germanoic anhydride) dipropanoic acid |
| bis-beta-carboxyethylgermanium sesquioxide |
| carboxyethylgermanium sesquioxide |
| carboxylethylgermanium sesquioxide |
| dipropanoic acid germanium sequioxide |
| ge 132 |
| bis(2-carboxylatoethyl)trioxodi-germanate(2- dihydrogen |
| propagermanium |
| 3,3'-(1,3-dioxo-1,3-digermoxanediyl)bis-propanoic aci |
| proxigermanium |
| sk 818 |
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