2a,4a,6a,8a-Decahydro-tetraazacyclopent[fg]acenaphthylene

1,4,7,10-四甲苯磺酰-1,4,7,10-四氮杂环十二烷

N-tert-butoxycarbonyl cyclen

4-methyl-N-[2-[(4-methylphenyl)sulfonyl-[2-[(4-methylphenyl)sulfonyl-[2-[(4-methylphenyl)sulfonylamino]ethyl]amino]ethyl]amino]ethyl]benzenesulfonamide

trans-decahydro-2a,4a,6a,8a-tetraazacyclopenta[fg]acenaphthylene