| 13-cis-retinoic acid | Isotretinoin |
|---|---|
| 13-HODE | 13(S)-hydroxyoctadecadienoic acid |
| 13-HPODE | 13(S)-hydroperoxyoctadecadienoic acid |
| 131 I-MIBG | 131 I-meta-iodobenzylguanidine |
| 131I-MIBG | Iodine-131 metaiodobenzylguanidine |
| 133Xe | 133 Xenon |
| 133Xe | Xenon |
| 13APA | 13-Azaprostanoic acid |
| 13C | Indole-3-carbinol |
| 13C NMR | Carbon-13 nuclear magnetic resonance |