phenyl group

benzene ring (chemistry)

(chemistry) aniline (C6H5NH2); aminobenzene

phenol C6H5OH

(chemistry) amphetamine (C9H13N)

(chemistry) styrene

phenoxy (chemistry)

benzoic acid C6H5COOH

benzaldehyde C6H5CHO, the simplest aromatic aldehyde

benactyzine

phenylalanine (Phe), an essential amino acid

(organic chemistry, pharmacology) benzodiazepine

benzothiophene C8H9, a heterocyclic compound (with one benzene ring and one cyclopentene ring)

phencyclidine (PCP)

benzoil chloride C6H5COCl

sodium benzoate, E211 (a food preservative)

phenylketonuria (PKU)

(medicine) phenylketonuria