541-88-8 (acetic acid, chloro-, anhydride (6ci,7ci,8ci,9ci))
1,2,3,6-tetrahydro-4-methylphthalic anhydride
原装进口 tci 三甲基乙酸酐 p1414tci 英文名称:pivalic anhydride
acetic (4-chlorophenyl)(methyl)carbamic anhydride
4-thiazoleacetic acid, 2-amino-alpha-(methoxyimino)-, anhydride