发明申请
US20150329475A1 QUATERNARY AMMONIUM HYDROXIDES 审中-公开
季铵氢氧化物

QUATERNARY AMMONIUM HYDROXIDES
摘要:
A composition including (a) a quaternary ammonium hydroxide having a general formula (I): as defined herein, and (b) a dipolar aprotic solvent substantially free of water.
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