Substance | Relationship Strength | Studies | Trials | Classes | Roles |
hydrogen Hydrogen: The first chemical element in the periodic table with atomic symbol H, and atomic number 1. Protium (atomic weight 1) is by far the most common hydrogen isotope. Hydrogen also exists as the stable isotope DEUTERIUM (atomic weight 2) and the radioactive isotope TRITIUM (atomic weight 3). Hydrogen forms into a diatomic molecule at room temperature and appears as a highly flammable colorless and odorless gas.. dihydrogen : An elemental molecule consisting of two hydrogens joined by a single bond. | 2.03 | 1 | 0 | elemental hydrogen; elemental molecule; gas molecular entity | antioxidant; electron donor; food packaging gas; fuel; human metabolite |
pyridine azine : An organonitrogen compound of general structure RCH=N-N=CHR or RR'C=N-N=CRR'. | 2.02 | 1 | 0 | azaarene; mancude organic heteromonocyclic parent; monocyclic heteroarene; pyridines | environmental contaminant; NMR chemical shift reference compound |
thiophenol thiophenol : A thiol in which the sulfanyl group is attached to a phenyl group. | 2.03 | 1 | 0 | aryl thiol | |
pyrroles 1H-pyrrole : A tautomer of pyrrole that has the double bonds at positions 2 and 4.. pyrrole : A five-membered monocyclic heteroarene comprising one NH and four CH units which forms the parent compound of the pyrrole group of compounds. Its five-membered ring structure has three tautomers. A 'closed class'.. azole : Any monocyclic heteroarene consisting of a five-membered ring containing nitrogen. Azoles can also contain one or more other non-carbon atoms, such as nitrogen, sulfur or oxygen. | 2.48 | 2 | 0 | pyrrole; secondary amine | |
thiazoles [no description available] | 2.02 | 1 | 0 | 1,3-thiazoles; mancude organic heteromonocyclic parent; monocyclic heteroarene | |
palladium Palladium: A chemical element having an atomic weight of 106.4, atomic number of 46, and the symbol Pd. It is a white, ductile metal resembling platinum, and following it in abundance and importance of applications. It is used in dentistry in the form of gold, silver, and copper alloys.. palladium : Chemical element (nickel group element atom) with atomic number 46. | 2.11 | 1 | 0 | metal allergen; nickel group element atom; platinum group metal atom | |
samarium Samarium: An element of the rare earth family of metals. It has the atomic symbol Sm, atomic number 62, and atomic weight 150.36. The oxide is used in the control rods of some nuclear reactors. | 2.06 | 1 | 0 | f-block element atom; lanthanoid atom | |
iodine [no description available] | 2.06 | 1 | 0 | halide anion; monoatomic iodine | human metabolite |
sperm motility inhibitor 2 [no description available] | 2.06 | 1 | 0 | | |
sphingofungin b sphingofungin B: structure given in first source; isolated from Aspergillus fumigatus; also effective against Cryptococcus | 7.11 | 1 | 0 | long-chain fatty acid | |
casuarine casuarine: structure in first source; do not confuse with tannin casuariin | 7.06 | 1 | 0 | | |
hyacinthacine a1 hyacinthacine A1: structure in first source | 7.78 | 3 | 0 | | |
sulfomycin [no description available] | 2.02 | 1 | 0 | | |
piperidines Piperidines: A family of hexahydropyridines. | 2.03 | 1 | 0 | | |