Methylcysteine(S-甲基-L-半胱氨酸) is one of the identified number of bioactive substances in garlic that are water soluble that may exert some chemopreventive effects on chemical carcinogenesis.

3-Hydroxyflavone(3-羟基黄酮) is the simplest molecule of the flavonol class that is usually used in synthesis of biologically active molecules.

S-Allyl cysteine(S-烯丙基-L-半胱氨酸), a natural constituent of fresh garlic, has antioxidant and anticancer properties in animals.

N-Acetylneuraminic acid(N-乙酰神经氨酸) is the predominant sialic acid found in mammalian cells. Sialic acids are negatively charged monosaccharides attached to the end of sugar chains, giving rise to a wide variety of glycoproteins and glycolipids in biological fluids and cell membranes.

Methandrostenolone(美雄酮) is a synthetic steroid with anabolic properties that are more pronounced than its androgenic effects.

6-Chloropurine(6-氯嘌呤) is used in the preparation of 9-alkylpurines through alkylation with various substituted alkyl halides in dimethyl sulfoxide.

6-Methylcoumarin(6-甲基香豆素), a synthetic fragrance widely used in cosmetics, belongs to the class of organic compounds known as coumarins and derivatives.

Thymidine(胸苷) is a pyrimidine nucleoside that is composed of the pyrimidine base thymine attached to the sugar deoxyribose. As a constituent of DNA, thymidine pairs with adenine in the DNA double helix.