RE: CTAD
Neutron Protonation
Neutron Quark Anion Protonation
Protonation states in SARS-CoV-2 main protease mapped by neutron crystallography
https://www.researchgate.net/publication/345361805_Protonation_states_in_SARS-CoV-2_main_protease_mapped_by_neutron_crystallography
RE: CTAD