Q

Q Abbreviation for 1. ubiquinone, 2. queuine, 3. queuosine, 4. coenzyme Q, and 5. glutamine. Q4 Referring to coenzyme Q4 or ubiquinone-4 (mol wt 455).

Q9 Referring to coenzyme Q9 or ubiquinone-9 (mol wt 795).