氧代

keto group bound to rings other than six-membered aromatic rings

keto-

keto

keto group【有化】;keto-【有化】;ketone group【有化】

keto group being part of a 3- to 5-membered ring

3-Keto-5-alpha-Steroid delta-4-Dehydrogenase

keto-urine

6-Keto-PGF1 alpha