甲萘醌

3-hydroxy-3-methyl-2H-naphthalene-1,4-dione

2-羟基-3-甲基-1,4-萘醌

(2-lactoyl-phenyl)-glyoxylic acid

2-(2-羟基乙基硫代)-3-甲基萘-1,4-二酮