1,3-dimethyl-2-methylamino-1,3,2-diazaphospholidine-2,4,5-trione

methyl 3,3,4,4,5,5,6,6-octafluoro-2-oxohexanoate

草酸二丁酯

二(3-甲基丁基)草酸酯

甲醇