Siwu, O., Rumampuk, R. J., Oktavia, B., Pongoh, E. J., Tengker, S. M., & Paat, V. I. (2023). Formation Reaction of 17α(chlorovinyl-3-methyl-butene)estradiol Through the Addition Reaction of a Terminal Alkyne to Ethinylestradiol With a ZnCl2 Catalyst: The addition reaction of terminal alkynes of 17α-ethinylestradiol with ZnCl2 and HCl catalyst mediated by dichloromethane. EKSAKTA: Journal of Sciences and Data Analysis, 4(2), 1–7. https://doi.org/10.20885/EKSAKTA.vol4.iss2.art1