A xenobiotic (Greek, xenos "foreign"; bios "life") is a compound that is foreign to a living organism. Principal xenobiotics include: drugs, carcinogens and various compounds that have been introduced into the environment by artificial means.
(3R,4S)-3,4-epoxy-3,4-dihydrophenanthrene
(CHEBI:37101)
is a
3,4-epoxy-3,4-dihydrophenanthrene
(CHEBI:25955)
(3S,4R)-3,4-epoxy-3,4-dihydrophenanthrene
(CHEBI:37103)
is a
3,4-epoxy-3,4-dihydrophenanthrene
(CHEBI:25955)