isoxazolyl

As nouns the difference between penicillin and isoxazolyl

is that penicillin is (pharmaceutical drug) any of a group of narrow-spectrum antibiotics obtained from penicillium molds or synthesized; they have a beta-lactam structure; most are active against gram-positive bacteria and used in the treatment of various infections and diseases while isoxazolyl is (chemistry) the univalent radical derived from isoxazole.

As an adjective semisynthetic

is (organic chemistry) synthesized by chemically modifying a natural material.

As a noun isoxazolyl is

(chemistry) the univalent radical derived from isoxazole.

As nouns the difference between isoxazole and isoxazolyl

is that isoxazole is (organic compound) the isomer of oxazole 1,2-oxazole many of whose derivatives have pharmacological activity while isoxazolyl is (chemistry) the univalent radical derived from isoxazole.

In chemistry terms the difference between radical and isoxazolyl

is that radical is a group of atoms, joined by covalent bonds, that take part in reactions as a single unit while isoxazolyl is the univalent radical derived from isoxazole.

As nouns the difference between radical and isoxazolyl

is that radical is a member of the most progressive wing of the Liberal Party; someone favouring social reform (but generally stopping short of socialism) while isoxazolyl is the univalent radical derived from isoxazole.

As an adjective radical

is favoring fundamental change, or change at the root cause of a matter.