This interaction may be due to the formation of a hydrogen bond between semicarbazide and alkyl benzimidazoles.
K. Ramya, K.K. Anupama, K.M. Shainy, Abraham Joseph 2017, 'Corrosion protection of mild steel in hydrochloric acid solution through the synergisticof alkylbenzimidazoles and semicarbazide pair – Electroanalytical and computationalstudies', Egyptian Journal of Petroleumhttp://www.sciencedirect.com/science/article/pii/S1110062116300629. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)