2- Imidazolidone Hemihydrate
It is white solid. Causes eye irritation. May cause skin and respiratory tract irritation. The toxicological properties of this material have not been fully investigated.
A physical form of the hemihydrate of calcium sulfate (CaSO4)-H2O; dental artificial stone.
Calcium Sulfate Hemihydrate
Calcium sulfate is a common laboratory and industrial chemical. In the form of γ-anhydrite (the nearly anhydrous form), it is used as a desiccant. It is also used as a coagulant in products like tofu.  in the natural state, unrefined calcium sulfate is a translucent, crystalline white rock.
It is chemical having MF C18H24O2 · 0.5H2O & Molecular Weight:281.39.
Nevirapine, also marketed under the trade name Viramune (Boehringer Ingelheim), is a non-nucleoside reverse As with other antiretroviral drugs, HIV rapidly develops resistance if nevirapine is used alone, so recommended therapy consists of combinations of three or more antiretrovirals. transcriptase inhibitor (NNRTI) used to treat HIV-1 infection and AIDS.
A hydrate whose solid contains one molecule of water of crystallization per two molecules, or per two unit cells
Ethylene Urea Hemihydrate
A hemicucurbituril is a macrocycle composed of alternating units of methylene (CH2) and N-substituted ethylene urea units. Hemicucurbituril is a hexamer. This compound closely resembles cucurbituril cut in half along the equator and the chemistry is also similar. The ethylene urea units also alternate with the carbonyl groups assuming alternating up and down positions.
Levofloxacin is a synthetic chemotherapeutic antibiotic of the fluoroquinolone drug class and is used to treat severe or life-threatening bacterial infections or bacterial infections which have failed to respond to other antibiotic classes.