5-(2-Methylenecyclopropyl)-2,4-imidazolidinedione is an intermediate in synthesizing α-(Methylenecyclopropyl)glycine, a homolog of Hypoglycine A (H9782), is an unusual amino acid found in Litchi chinensis seeds and is shown to have antimutagenic activity against spontaneous mutation of Salmonella typhimurium TA. Molecular Formula: C7H8N2O2 Solubility: Dichloromethane, Methanol Molecular Weight: 152.15