piperazinedione,furanylmethylene,amino,furan,piperazine
Furan
66723-09-9(2R)-2-[(9-{(2R,3R,4S,5R)-3,4-dihydroxy-5-[(phosphonooxy)methyl]tetrahydrofuran-2-yl}-9H-purin-6-yl)amino]-3-phosphonopropanoic acid (non-preferred name)
67506-30-3Butanoic acid,3-methyl-,(3aS,4S,5R,6R,8Z,- 10R,11aR)-5-(acetyloxy)-2,3,3a,4,5,6,7,10,11,- 11a-decahydro-6-hydroxy-6,10-dimethyl-3- methylene-2,7-dioxocyclodeca[b]furan-4-yl ester