Date	Severity	Status	Feedback
Feb 20 2018 4:41PM	Normal	Acknowledged	Updated monograph published in The Merck Index Online: https://www.rsc.org/Merck-Index/monograph/m6039/homidium?q=authorize Added, thanks
Mar 5 2014 3:26PM	Normal	Acknowledged	Hi Just noticed that when I looked at the 3D model for ethidium bromide the CH3 in the 2D model is replaced by a C2H5 group! I'm not sure which is correct. Thank you for your comment. Looking at this record (as a 2D image) the only place that I see a CH3 in this structure is as part of the ethyl group attached to the quaternary nitrogen, this ethyl group agrees with the the structure depicted in the 3D rendering.