p. 8811 - 8823
(2007/10/03)10,13,16,19,22-pentaoxa-7-aza-dispiro[5.1.12.2]docosane
triethylene glycol di-(p-toluenesulfonate)
benzyl chloroformate
12-[(12-Benzyloxycarbonylamino-1,4,7,10-tetraoxa-cyclotridecane-12-carbonyl)-amino]-1,4,7,10-tetraoxa-cyclotridecane-12-carboxylic acid methyl ester
12-Benzyloxycarbonylamino-1,4,7,10-tetraoxa-cyclotridecane-12-carboxylic acid methyl ester
12-Benzyloxycarbonylamino-1,4,7,10-tetraoxa-cyclotridecane-12-carboxylic acid