3806-02-8
2-氨基甘菊环-1,3-二甲酸二乙酯
→
~90%
36044-40-3
diethyl 2-chloroazulene-1,3-dicarboxylate
105-56-6
氰乙酸乙酯
3839-48-3
2-氯-2,4,6-环庚三烯-1-酮