1: 76 percent / 28percent aq. NH3 / methanol / 0.33 h / 0 - 5 °C 2: 59 percent / concd. H2SO4 / 0 °C View Scheme

&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '103233', constants.ctx, '0')">pyridine</a> <br />48&nbsp;h;&nbsp;&nbsp;Ambient temperature;&nbsp;<br /> &nbsp;