反应条件
<b>With</b> <a href="#" onclick="return RXDsubstances(event, this, '1446024', constants.ctx, '0')">methanesulfonic acid</a> <b>in</b> <a href="#" onclick="return RXDsubstances(event, this, '1718733', constants.ctx, '0')">ethanol</a>; <a href="#" onclick="return RXDsubstances(event, this, '1730800', constants.ctx, '0')">dichloromethane</a> <br /> <br /> <br />