英文别名
                        4-hydroxy-3,6-dimethylhexahydropyrimidine-2-thione;3,6-Dimethyl-4-hydroxy-hexahydro-pyrimidin-2-thion;6-hydroxy-1,4-dimethyl-tetrahydro-pyrimidine-2-thione;1,4-Dimethyl-6-hydroxyhexahydropyrimidin-2-thione;6-hydroxy-1,4-dimethyl-1,3-diazinane-2-thione