18939-61-2 | copper(2+) sulphate | Cu.xH2O4S |
18939-69-0 | 2-butylisothiouronium chloride | C5H12 N2 S . Cl H |
18939-74-7 | 3,5-Dioxa-2,6-disila-4-germaheptane, 2,2,6,6-tetramethyl-4,4-bis[(trimethylsilyl)oxy]- | C12H36GeO4Si4 |
18939-43-0 | Sulfuric acid magnesiumsalt (1:1) | H2O4 S . Mg |