List of drugs: 1–9
- 1-Day
- 2-CdA
- 2-PAM
- 25I-NBOME
- 292 MEP
- 311C90
- 3F8
- 3M Avagard
- 3M Cavilon Skin Cleanser
- 3TC
- 5-ASA
- 5-FC
- 5-FU
- 6-MP
- 642 Tablet
- 8-Hour Bayer, a form of aspirin
- 8-methoxy-psoralen, also known as methoxsalen
- 8-Mop or 8-methoxy-psoralen, also known as ''methoxsalen''