| 2,2'-trimethylenedithiodi-pseudoure dihydrobromide |
| 2,2'-trimethylene-bis-(2-thiopseudourea), dihydrobromide |
| carbamimidothioic acid, 1,3-propanediyl ester, dihydrobromide |
| propane diisothiourea dihydrobromide |
| 2,2'-trimethylenebis(2-thio-pseudoure dihydrobromide |
| propanebis(2'-thio-pseudoure dihydrobromide |
| propylene diisothiuronium dibromide |
