【化】 poly(vinyl formal); PVFM; PVFO
【化】 poly(vinyl alcohol); vinol
【医】 polyvinyl alcohol
contract; crinkle; draw back; shrink; withdraw
formaldehyde
【化】 formaldehyde; methanal; methyl aldehyde; methylene oxide; oxymethylene
【医】 formaldehyde; formic aldehyde; methanal; methyl aldehyde