| Barium Sulfate Containing X-Ray Contrast Media | Not Available | 1 | 1 | Details |
| Base Pair Mismatch | Not Available | 1 | 1 | Details |
| Basic Lotions and Liniments | Not Available | 3 | 22 | Details |
| Basic Ointments and Protectants | Not Available | 13 | 188 | Details |
| Basic Powders and Demulcents | Not Available | 1 | 1 | Details |
| Basidiomycota | A phylum of fungi that produce their sexual spores (basidiospores) on the outside of th... more | 1 | 0 | Details |
| BCL-2 Inhibitor | Not Available | 2 | 12 | Details |
| Bcr-Abl Tyrosine Kinase Inhibitors | Not Available | 6 | 141 | Details |
| BCRP/ABCG2 Inducers | Not Available | 5 | 77 | Details |
| BCRP/ABCG2 Inhibitors | Not Available | 198 | 3180 | Details |
| BCRP/ABCG2 Substrates | Not Available | 191 | 2417 | Details |
| Bee and Wasp Venom | Used in arranging bee and wasp venom drug interactions. | 12 | 0 | Details |
| Bees | Not Available | 2 | 1 | Details |
| Belladonna Alkaloids | Alkaloids obtained from various plants, especially the deadly nightshade (Atropa bellad... more | 7 | 37 | Details |
| Belladonna Alkaloids, Semisynthetic, Quaternary Ammonium Compounds | Not Available | 6 | 12 | Details |
| Belladonna Alkaloids, Tertiary Amines | Not Available | 2 | 19 | Details |
| Belladonna and Derivatives, Plain | Not Available | 8 | 31 | Details |
| Benz(a)Anthracenes | Four fused benzyl rings with three linear and one angular, that can be viewed as a benz... more | 1 | 3 | Details |
| Benzalkonium Compounds | Not Available | 2 | 3 | Details |
| Benzamides and benzamide derivatives | BENZOIC ACID amides. | 30 | 210 | Details |
| Benzamidines | Amidines substituted with a benzene group. Benzamidine and its derivatives are known as... more | 2 | 24 | Details |
| Benzazepines | Compounds with BENZENE fused to AZEPINES. | 104 | 360 | Details |
| Benzene Derivatives | Organic compounds derived from BENZENE. | 915 | 2964 | Details |
| Benzeneacetamides | Compounds based on benzeneacetamide, that are similar in structure to ACETANILIDES. | 1 | 4 | Details |
| Benzenesulfonamides | A group of compounds that contain sulfonamide group S-linked to a benzene ring. Many be... more | 36 | 128 | Details |