Tipiracil hydrochloride is an inhibitor of thymidine phosphorylase, the enzyme that degrades trifluridine into trifluorothymidine. Its combination with trifluridine increases the bioavailability of trifluridine.

Travoprost is a PGF2a analog that was launched as an ophthalmic solution administered topically for the treatment of elevated intraocular hypertension as a result of open-angle glaucoma, a common optic neuropathy, and a leading cause of blindness. It can act as an agonist of prostaglandin F receptor.

Calcipotriene(卡泊三醇) is a synthetic derivative of calcitriol, a form of vitamin D. It can induce differentiation and suppresses proliferation of keratinocytes, reversing abnormal keratinocyte changes in psoriasis, and lead to normalization of epidermal growth.

Levothyroxine sodium(左旋甲状腺素钠) is the major hormone derived from the thyroid gland. It is the agonist of Thyroid hormone receptor alpha and beta.

Calcium gluconate is element or mineral necessary for normal nerve, muscle, and cardiac function. Calcium as the gluconate salt helps to maintain calcium balance and prevent bone loss when taken orally.

Sodium benzoate(苯甲酸钠) is a preservative and uesd as a food additive which is bacteriostatic and fungistatic under acidic conditions.

2'-deoxyguanosine(2'-脱氧肌苷) is a nucleoside consisting of the base guanine and the sugar deoxyribose.

L-citrulline(L-瓜氨酸) is a substance called a non-essential amino acid that is used as a sports performance and cardiovascular health supplement.