【化】 dilevulinic acid
couplet; join; unite
【医】 sym-; syn-
oxygen
【医】 o; O2; oxy-; oxygen; oxygenium; phlogisticated gas
【化】 pentanoic acid; pentoic acid; pinalic acid; propyl-acetic acid
valerianic acid; valeric acid
【医】 butylcarboxylic acid; phocenic acid; valerianic acid; valeric acid