A neurotransmitter in the brain that is responsible for transmitting signals related to pleasure and excitement; abnormal levels can lead to Parkinson's disease or other conditions.

sulfa drugs; sulfanilamide; an organic compound used as an antibacterial or to reduce fever

(chemistry) aniline; aminobenzene

histamine; a substance released during allergic and inflammatory reactions

An organic compound released by cells in response to injury and in allergic and inflammatory reactions, causing contraction of smooth muscle and dilation of capillaries; also used to treat certain nerve disorders.

(medicine/chemistry) amphetamine, also known as benzedrinum

(chemistry) benzidine

(chemistry) polyamide

a highly reactive inorganic compound with the chemical formula NH2OH, used as a reducing agent and in chemical synthesis

a sugar derivative used as a dietary supplement for joint health; often used as a short form of [[葡萄糖胺|葡萄糖胺|pu2 tao5 tang2 an4]]

melamine, an organic compound often used in plastics and adhesives

melamine; an organic compound with the chemical formula C3H6N6 used in the manufacture of plastics and resins

(pharmacology) piracetam (C6H10N2O2), a drug used to improve memory and brain function

(chemistry) dichloramine

diclofenac sodium, a non-steroidal anti-inflammatory drug used to reduce swelling and as a painkiller; also known as [[扶他林|扶他林|fu2 ta1 lin2]]

beta-lactamase, which is a bacterial enzyme that provides resistance to some antibiotics

linezolid; a synthetic antibiotic drug used to treat serious bacterial infections

clenbuterol; a chemical compound used as a bronchodilator for respiratory issues, also used illegally as a performance-enhancing drug or to promote leanness in livestock

asparagine (Asn), a non-essential amino acid

A type of drug used to treat allergies and inflammation by blocking the effects of histamines in the body

a drug or other compound that inhibits the effects of histamine in the body; antihistamine

antihistamine; any medication used to treat allergic reactions by blocking histamine receptors

ketamine (C13H16ClNO); a dissociative anesthetic often used as a recreational drug

salbutamol; a medication used to treat asthma, also known as albuterol, proventil, or ventolin

nicotinamide (niacinamide) [Taiwan]

nicotinamide; niacinamide; a form of vitamin B3 often used in medicine and skincare

(Taiwan) nicotinamide; niacinamide

cyclophosphamide; a medication used as chemotherapy and to suppress the immune system

a non-essential amino acid found in proteins, having a hydrogen atom as its side chain

A synthetic stimulant drug used recreationally for its euphoric effects; typically appears as a bitter, white or colorless crystalline powder or crystal

(chemistry) methylamine

methamidophos; a highly toxic organophosphate insecticide (chemical formula: C2H8NO2PS)

thiamine; vitamin B1. Found in foods like rice bran, spinach, and liver, it aids digestion and prevents beriberi.

A type of antibacterial medication used to treat systemic or intestinal infections, burns, and eye diseases; side effects may include nausea and dizziness.

chemical neurotransmitter that sends signals in the brain and nervous system

a colorless flammable liquid or a derivative of this compound used in rocket fuel and chemical synthesis

(Taiwan) organic compound containing both an amino group and a carboxyl group, serving as the fundamental building block of proteins; equivalent to the Mainland China term [[氨基酸|氨基酸|an1 ji1 suan1]]

A category of chemical compounds formed when the hydrogen atoms in ammonia are replaced by hydrocarbon groups

Taiwan term for tryptophan, an essential amino acid

(chemistry) benzylamine; a colorless liquid organic compound with the formula C6H5CH2NH2

(Taiwan usage) threonine (an amino acid)

(biochemistry) theanine, an amino acid found in tea leaves; primarily used in Taiwan

(loanword) ractopamine, an animal feed additive used to promote leanness; a chemical compound in organic chemistry

pork from livestock that has been fed the additive ractopamine

glucosamine; a chemical compound often used as a dietary supplement for joint health

melamine; a chemical compound used to make plastics and industrial products