【化】 polynonamethylene formal
assemble; gather
【建】 poly-
inferior; second
【医】 deutero-; deuto-; sub-
【化】 nonyl
【医】 nonyl
contract; crinkle; draw back; shrink; withdraw
formaldehyde
【化】 formaldehyde; methanal; methyl aldehyde; methylene oxide; oxymethylene
【医】 formaldehyde; formic aldehyde; methanal; methyl aldehyde