| IUPAC > Gold Book > alphabetical index > P > pseudo bases > history |

Indexes |
| Date | Update description |
| 2006-09-29 | Taken from the original Gold Book, published in version 1.0.0 of the XML Gold Book. |
| File | Revision | Date |
| P04923.xml | 1.6 | 2006-11-02T08:12:31 |
| P04923.svg | 1.5 | 2005-04-06T11:19:16 |