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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— ethyl (1R,3S,3aS,6aS)-3-butyl-1-(4-hydroxyphenyl)-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate —— C20H27N2O5+
    ethyl (1R,3S,3aS,6aS)-3-butyl-1-(4-hydroxyphenyl)-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate
    —— ethyl (1R,3S,3aS,6aS)-3-butyl-1-(4-hydroxyphenyl)-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylate —— C20H26N2O5
    ethyl (1R,3S,3aS,6aS)-3-butyl-1-(4-hydroxyphenyl)-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylate
    —— ethyl (1R,3R,3aR,6aS)-3-ethyl-1-(4-methoxyphenyl)-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylate —— C19H24N2O5
    ethyl (1R,3R,3aR,6aS)-3-ethyl-1-(4-methoxyphenyl)-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylate
    —— ethyl (1R,3S,3aR,6aS)-1-(furan-2-yl)-5-methyl-4,6-dioxo-3-propyl-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylate —— C17H22N2O5
    ethyl (1R,3S,3aR,6aS)-1-(furan-2-yl)-5-methyl-4,6-dioxo-3-propyl-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylate
    —— ethyl (1R,3S,3aR,6aS)-1-(4-hydroxyphenyl)-5-methyl-4,6-dioxo-3-propyl-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate —— C19H25N2O5+
    ethyl (1R,3S,3aR,6aS)-1-(4-hydroxyphenyl)-5-methyl-4,6-dioxo-3-propyl-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate
    —— ethyl (1R,3S,3aR,6aS)-1-(4-chlorophenyl)-3,5-dimethyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate —— C17H20ClN2O4+
    ethyl (1R,3S,3aR,6aS)-1-(4-chlorophenyl)-3,5-dimethyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate
    —— ethyl (1R,3R,3aS,6aS)-3,5-dimethyl-1-(2-methylphenyl)-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate —— C18H23N2O4+
    ethyl (1R,3R,3aS,6aS)-3,5-dimethyl-1-(2-methylphenyl)-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate
    —— ethyl (1R,3S,3aR,6aS)-1-(4-fluorophenyl)-5-methyl-4,6-dioxo-3-propyl-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate —— C19H24FN2O4+
    ethyl (1R,3S,3aR,6aS)-1-(4-fluorophenyl)-5-methyl-4,6-dioxo-3-propyl-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate
    —— ethyl (1R,3S,3aR,6aS)-3-ethyl-1-(2-methoxyphenyl)-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylate —— C19H24N2O5
    ethyl (1R,3S,3aR,6aS)-3-ethyl-1-(2-methoxyphenyl)-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylate
    —— ethyl (1R,3S,3aS,6aS)-1-(4-chlorophenyl)-3,5-dimethyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate —— C17H20ClN2O4+
    ethyl (1R,3S,3aS,6aS)-1-(4-chlorophenyl)-3,5-dimethyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate
    —— ethyl (1R,3R,3aR,6aS)-5-methyl-4,6-dioxo-3-phenyl-1-thiophen-2-yl-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylate —— C20H20N2O4S
    ethyl (1R,3R,3aR,6aS)-5-methyl-4,6-dioxo-3-phenyl-1-thiophen-2-yl-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylate
    —— ethyl (1R,3R,3aS,6aS)-3-(hydroxymethyl)-1-(4-hydroxyphenyl)-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate —— C17H21N2O6+
    ethyl (1R,3R,3aS,6aS)-3-(hydroxymethyl)-1-(4-hydroxyphenyl)-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate
    —— ethyl (1R,3S,3aR,6aS)-3-butyl-1-(4-hydroxyphenyl)-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate —— C20H27N2O5+
    ethyl (1R,3S,3aR,6aS)-3-butyl-1-(4-hydroxyphenyl)-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate
    —— ethyl (1R,3S,3aS,6aS)-1-(furan-2-yl)-5-methyl-4,6-dioxo-3-propyl-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylate —— C17H22N2O5
    ethyl (1R,3S,3aS,6aS)-1-(furan-2-yl)-5-methyl-4,6-dioxo-3-propyl-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylate
    —— ethyl (1R,3S,3aS,6aS)-1-(4-chlorophenyl)-3-ethyl-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate —— C18H22ClN2O4+
    ethyl (1R,3S,3aS,6aS)-1-(4-chlorophenyl)-3-ethyl-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate
    —— ethyl (1R,3S,3aS,6aS)-1-(4-fluorophenyl)-5-methyl-4,6-dioxo-3-propyl-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate —— C19H24FN2O4+
    ethyl (1R,3S,3aS,6aS)-1-(4-fluorophenyl)-5-methyl-4,6-dioxo-3-propyl-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate
    —— ethyl (1R,3S,3aS,6aS)-3-ethyl-5-methyl-1-(4-methylphenyl)-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate —— C19H25N2O4+
    ethyl (1R,3S,3aS,6aS)-3-ethyl-5-methyl-1-(4-methylphenyl)-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate
    —— ethyl (1R,3S,3aS,6aS)-3-ethyl-1-(4-fluorophenyl)-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate —— C18H22FN2O4+
    ethyl (1R,3S,3aS,6aS)-3-ethyl-1-(4-fluorophenyl)-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate
    —— (E)-1-[(2R)-2-[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]piperidin-1-yl]-3-phenylprop-2-en-1-one —— C23H23N3O2
    (E)-1-[(2R)-2-[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]piperidin-1-yl]-3-phenylprop-2-en-1-one
    —— ethyl (1R,3S,3aS,6aS)-1-(4-fluorophenyl)-5-methyl-4,6-dioxo-3-phenyl-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate —— C22H22FN2O4+
    ethyl (1R,3S,3aS,6aS)-1-(4-fluorophenyl)-5-methyl-4,6-dioxo-3-phenyl-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate
    —— ethyl (1R,3S,3aS,6aS)-3-ethyl-1-(2-fluorophenyl)-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylate —— C18H21FN2O4
    ethyl (1R,3S,3aS,6aS)-3-ethyl-1-(2-fluorophenyl)-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylate
    —— ethyl (1R,3S,3aR,6aS)-1-(4-hydroxyphenyl)-5-methyl-3-(2-methylsulfanylethyl)-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate —— C19H25N2O5S+
    ethyl (1R,3S,3aR,6aS)-1-(4-hydroxyphenyl)-5-methyl-3-(2-methylsulfanylethyl)-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate
    —— ethyl (1R,3S,3aR,6aS)-1-(4-chlorophenyl)-3-ethyl-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylate —— C18H21ClN2O4
    ethyl (1R,3S,3aR,6aS)-1-(4-chlorophenyl)-3-ethyl-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylate
    —— ethyl (1R,3R,3aR,6aS)-1-(4-fluorophenyl)-5-methyl-4,6-dioxo-3-phenyl-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate —— C22H22FN2O4+
    ethyl (1R,3R,3aR,6aS)-1-(4-fluorophenyl)-5-methyl-4,6-dioxo-3-phenyl-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate
    —— ethyl (1R,3S,3aS,6aS)-3,5-dimethyl-1-(2-methylphenyl)-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate —— C18H23N2O4+
    ethyl (1R,3S,3aS,6aS)-3,5-dimethyl-1-(2-methylphenyl)-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate
    —— ethyl (1R,3S,3aS,6aS)-3-ethyl-1-(4-methoxyphenyl)-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate —— C19H25N2O5+
    ethyl (1R,3S,3aS,6aS)-3-ethyl-1-(4-methoxyphenyl)-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate
    —— ethyl (1R,3S,3aR,6aS)-1-(furan-2-yl)-5-methyl-4,6-dioxo-3-propyl-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate —— C17H23N2O5+
    ethyl (1R,3S,3aR,6aS)-1-(furan-2-yl)-5-methyl-4,6-dioxo-3-propyl-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate
    —— ethyl (1R,3R,3aS,6aS)-3-butyl-1-(4-hydroxyphenyl)-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate —— C20H27N2O5+
    ethyl (1R,3R,3aS,6aS)-3-butyl-1-(4-hydroxyphenyl)-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate
    —— ethyl (1R,3R,3aS,6aS)-1-(4-chlorophenyl)-3,5-dimethyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylate —— C17H19ClN2O4
    ethyl (1R,3R,3aS,6aS)-1-(4-chlorophenyl)-3,5-dimethyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylate
    —— ethyl (1R,3S,3aR,6aS)-3-ethyl-1-(2-fluorophenyl)-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate —— C18H22FN2O4+
    ethyl (1R,3S,3aR,6aS)-3-ethyl-1-(2-fluorophenyl)-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate
    —— ethyl (1R,3R,3aS,6aS)-3-ethyl-5-methyl-1-(4-methylphenyl)-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate —— C19H25N2O4+
    ethyl (1R,3R,3aS,6aS)-3-ethyl-5-methyl-1-(4-methylphenyl)-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate
    —— ethyl (1R,3R,3aR,6aS)-1-(2,4-dimethoxyphenyl)-3-ethyl-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylate —— C20H26N2O6
    ethyl (1R,3R,3aR,6aS)-1-(2,4-dimethoxyphenyl)-3-ethyl-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylate
    —— ethyl (1R,3S,3aR,6aS)-1-(2,4-dimethoxyphenyl)-3-ethyl-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylate —— C20H26N2O6
    ethyl (1R,3S,3aR,6aS)-1-(2,4-dimethoxyphenyl)-3-ethyl-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylate
    —— ethyl (1R,3R,3aR,6aS)-1-(4-hydroxyphenyl)-5-methyl-4,6-dioxo-3-propyl-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylate —— C19H24N2O5
    ethyl (1R,3R,3aR,6aS)-1-(4-hydroxyphenyl)-5-methyl-4,6-dioxo-3-propyl-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylate
    —— ethyl (1R,3S,3aS,6aS)-3-ethyl-5-methyl-1-(4-methylphenyl)-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylate —— C19H24N2O4
    ethyl (1R,3S,3aS,6aS)-3-ethyl-5-methyl-1-(4-methylphenyl)-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylate
    —— ethyl (1R,3R,3aS,6aS)-1-(2,4-dimethoxyphenyl)-3-ethyl-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate —— C20H27N2O6+
    ethyl (1R,3R,3aS,6aS)-1-(2,4-dimethoxyphenyl)-3-ethyl-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate
    —— ethyl (1R,3R,3aS,6aS)-3-ethyl-5-methyl-1-(4-methylphenyl)-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylate —— C19H24N2O4
    ethyl (1R,3R,3aS,6aS)-3-ethyl-5-methyl-1-(4-methylphenyl)-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylate
    —— ethyl (1R,3R,3aR,6aS)-3-ethyl-1-(2-fluorophenyl)-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate —— C18H22FN2O4+
    ethyl (1R,3R,3aR,6aS)-3-ethyl-1-(2-fluorophenyl)-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate
    —— ethyl (1R,3R,3aR,6aS)-1-(4-chlorophenyl)-3,5-dimethyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylate —— C17H19ClN2O4
    ethyl (1R,3R,3aR,6aS)-1-(4-chlorophenyl)-3,5-dimethyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylate
    —— ethyl (1R,3R,3aR,6aS)-1-(4-chlorophenyl)-3,5-dimethyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate —— C17H20ClN2O4+
    ethyl (1R,3R,3aR,6aS)-1-(4-chlorophenyl)-3,5-dimethyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate
    —— ethyl (1R,3S,3aR,6aS)-3-ethyl-5-methyl-1-(4-methylphenyl)-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate —— C19H25N2O4+
    ethyl (1R,3S,3aR,6aS)-3-ethyl-5-methyl-1-(4-methylphenyl)-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate
    —— ethyl (1R,3R,3aS,6aS)-3-ethyl-1-(4-fluorophenyl)-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate —— C18H22FN2O4+
    ethyl (1R,3R,3aS,6aS)-3-ethyl-1-(4-fluorophenyl)-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate
    —— ethyl (1R,3R,3aR,6aS)-3-ethyl-5-methyl-1-(4-methylphenyl)-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylate —— C19H24N2O4
    ethyl (1R,3R,3aR,6aS)-3-ethyl-5-methyl-1-(4-methylphenyl)-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylate
    —— ethyl (1R,3R,3aS,6aS)-3,5-dimethyl-1-(4-methylphenyl)-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate —— C18H23N2O4+
    ethyl (1R,3R,3aS,6aS)-3,5-dimethyl-1-(4-methylphenyl)-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate
    —— ethyl (1R,3R,3aR,6aS)-3-ethyl-1-(furan-2-yl)-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate —— C16H21N2O5+
    ethyl (1R,3R,3aR,6aS)-3-ethyl-1-(furan-2-yl)-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate
    —— ethyl (1R,3R,3aR,6aS)-3,5-dimethyl-1-(2-methylphenyl)-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylate —— C18H22N2O4
    ethyl (1R,3R,3aR,6aS)-3,5-dimethyl-1-(2-methylphenyl)-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylate
    —— ethyl (1R,3S,3aR,6aS)-1-(4-methoxyphenyl)-3,5-dimethyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate —— C18H23N2O5+
    ethyl (1R,3S,3aR,6aS)-1-(4-methoxyphenyl)-3,5-dimethyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate
    —— ethyl (1R,3S,3aR,6aS)-3-ethyl-1-(2-fluorophenyl)-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylate —— C18H21FN2O4
    ethyl (1R,3S,3aR,6aS)-3-ethyl-1-(2-fluorophenyl)-5-methyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylate
    —— ethyl (4S)-6-[[(3R,5S)-3,5-dimethylpiperidin-1-yl]methyl]-4-methyl-2-oxo-3,4-dihydro-1H-pyrimidine-5-carboxylate —— C16H27N3O3
    ethyl (4S)-6-[[(3R,5S)-3,5-dimethylpiperidin-1-yl]methyl]-4-methyl-2-oxo-3,4-dihydro-1H-pyrimidine-5-carboxylate
    —— ethyl (1R,3S,3aS,6aS)-1-(4-methoxyphenyl)-3,5-dimethyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate —— C18H23N2O5+
    ethyl (1R,3S,3aS,6aS)-1-(4-methoxyphenyl)-3,5-dimethyl-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate