| FDA | Food and Drug Administration |
| PTA | Triazaphosphaadamantane |
| PTABS | Triazaphosphaadamantane butane sulfonate |
| PTAPS | Triazaphosphaadamantane propane sulfonate |
| ICP-MS | Inductively Coupled Plasma Mass spectrometry |
| BVDU | Brivudine |
| CVU | Carboxyvinyl2’-deoxy uridine |
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