spiro-1,3,3-trimethyl-5-bromoindoline[2:3']-3',4'-dihydroisoxazole

费舍尔氏醛

spiro-1,3,3-trimethylindoline[2:3']-3',4'-dihydroisoxazole

1,3,3-trimethyl-2-methyleneiminohydroxindoline

1,2,3,3-四甲基吲哚啉