- Inhibition of carbonic anhydrase II by steroidal and non-steroidal sulphamates. Ho, Y.T., Purohit, A., Vicker, N., Newman, S.P., Robinson, J.J., Leese, M.P., Ganeshapillai, D., Woo, L.W., Potter, B.V., Reed, M.J. Biochem. Biophys. Res. Commun. (2003)