| 英文名称: | | urea, 1-methyl-3-(1,2,3,6-tetrahydro-1,3-dimethyl-2,6-dioxo-4-pyrimidinyl)-2-th | | 1-(2,4-diketo-1,3-dimethyl-1,2,3,4-tetrahydropyrimidin-6-yl)-3-methyl-2- thio | | 1-methyl-3-(1,2,3,6-tetrahydro-1,3-dimethyl-2,6-dioxo-4-pyrimidinyl)-2-t hiou | | 1-methyl-3-(1,2,3,6-tetrahydro-1,3-dimethyl-2,6-dioxo-4-pyrimidinyl)-2-thi o-ure |
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