(5S)-5-hydroxy-3-methyl-1-[(2S)-4-methyl-5-oxo-1,2-dihydropyrrol-2-yl]-5H-pyrrol-2-oneAlkaPlorer id: AK251635
5-Hydroxy-3,4'-dimethyl-[1,2'-bipyrrole]-2,5'(2'H,5H)-dione AlkaPlorer id: AK301048