... known (from lac- tams 13b and 17), it followed that the absolute stereo- chemistry of both ... (21) Silverstein, RM; Bassler, G. C.; Morril, TC Spectrometric Identification of Organic Compounds; Wiley ... Whitesell, JK; LaCour, T.; Lovell, RL; Pojman, J.; Ryan, P.; Yamada-Noaaka, A. J. Am ...