Crossword puzzle clue "acid used for synthetic resins"

as in crotonic acid, a colourless acid

ALKYD, any of a group of synthetic resins

ELEMI, a fragrant resinous substance obtained from various tropical trees

LAC, a dark red resinous substance secreted by some insects

of a compound, containing one or more hydroxyl groups

a body or compound which is isomeric with another body or compound, also ISOMERE