act as a methylene homologue of gamma-aminobutyric acid (GABA) and functions as a weak GABA agonist. It is also known as an antifibrinolytic amino acid analog and so it functions as a weak inhibitor of the blood clotting pathway.

L-Homocystine

626-72-2

C8H16N2O4S2

Alfacalcidol

41294-56-8

C27H44O2

Alfacalcidol is a vitamin D analog. It is important for the regulation of the bone metabolism. For the treatment of osteoporosis, vitamin D-dependent rickets and osteomalacia

Calcipotriene

112965-21-6

C27H40O3

Calcipotriol is a topical vitaminD3 derivative effective in the treatment of psoriasis vulgaris. The drug acts by binding to vitamin D3 receptors in the skin keratinocytes, producing an elevation in cell differentiation and a reduction in cell proliferation.

Calcitriol

32222-06-3

C27H44O3

The biologically active form of vitamin D3. Calcium regulator; vitamin (antirachitic); antihyperparathyroid; antineoplastic; antipsoriatic

Calcifediol

19356-17-3

C27H44O2

A metabolite of Vitamin D. It is used to treat rickets and osteomalacia, both in azotemic and non-azotemic patient.

Doxercalciferol

54573-75-0

C28H44O2

Doxercalciferol is a synthetic vitamin D2 analog for the treatment of secondary hyperparathyroidism (SHPT) in patients with end-stage renal failure. It is actually 1-alpha-hydroxyvitamin D2 (one-alpha- D2) and can be synthesized by direct hydroxylation of vitamin D2 tosylate or in 5 steps from ergosterol.