{TAIL ~ An organic base}; such as methanolamine, ethanolamine, propanolamine, dimethanolamine, diethanolamine, dipropanolamine, trimethanolamine, triethanolamine, or tripropanolamine; may be used in {HEAD ~ place} of ammonium hydroxide 
{ TAIL ~ An organic base } ; such as methanolamine , ethanolamine , propanolamine , dimethanolamine , diethanolamine , dipropanolamine , trimethanolamine , triethanolamine , or tripropanolamine ; may be used in { HEAD ~ place } of ammonium hydroxide
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH