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甘油甲醛##甘油缩甲醛##1,3(OR2,3)-O-亚甲基-1,2,3-丙三醇##甘油缩甲醛(1,3-二恶烷-5-醇和4-羟甲基二氧戊环的混和物)##甘油缩甲醛 (1,3-二恶烷-5-醇和4-羟甲基二氧戊环的混合物)
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