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发明名称
4-(Thio or seleno) ethers of 2-pyrazoline-5-one couplers - better process by reacting 4:4-dibromo cpd with thiols or selenols
摘要
申请公布号
CH593264(A5)
申请公布日期
1977.11.30
申请号
CH19730018186
申请日期
1973.12.27
申请人
EASTMAN KODAK CO.
发明人
分类号
C07D231/52;G03C7/305;(IPC1-7):07D231/14;07D405/12;07D403/12;07D7/32
主分类号
C07D231/52
代理机构
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