Synonyms: 2-Pentenamide,N,N'-[(3,6-dioxo-2,5-piperazinediyl)di-3,1-propanediyl]bis[N,5-dihydroxy-3-methyl-,[2S-[2a(E),5a(E)]]-; 2-Pentenohydroxamic acid,N,N'-[(3,6-dioxo-2,5-piperazinediyl)bis(trimethylene)]bis[5-hydroxy-3-methyl-(8CI); Dimerum acid; Dimerunic acid