723296-17-1 1-Oxa-4-azacyclotridecane-2,5-dione,4,6,8,11-tetramethyl-13-(4-pentynyl)-3-(phenylmethyl)-,(3S,6R,8R,11R,13S)- 723296-13-7 1-Oxa-4-azacyclotridecane-2,5-dione,13-(4-hydroxybutyl)-4,6,8,11-tetramethyl-3-(phenylmethyl)-,(3S,6R,8R,11R,13R)- 723296-14-8 1-Oxa-4-azacyclotridecane-2,5-dione,4,6,8,11-tetramethyl-13-(4-pentynyl)-3-(phenylmethyl)-,(3S,6S,8S,11R,13R)-