3-(But-3-yn-1-yl)-3-(2-iodoethyl)-3H-diazirine

2-(3-But-3-ynyl-3H-diazirin-3-yl)-ethanol

1-(2-(2-(2-Hydroxyethoxy)ethoxy)ethyl)-1H-pyrrole-2,5-dione

1-(14-Hydroxy-3,6,9,12-tetraoxatetradecyl)-1H-pyrrole-2,5-dione

1-(17-Hydroxy-3,6,9,12,15-pentaoxaheptadecyl)-1H-pyrrole-2,5-dione

1-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3-oxo-7,10,13,16,19,22,25,28-octaoxa-4-azahentriacontan-31-oic acid

4-nitrophenyl 2-(pyridin-2-yldisulfanyl)ethyl carbonate

2,5-dioxopyrrolidin-1-yl 1-(2,5-dioxo-2H-pyrrol-1(5H)-yl)-3,6,9,12,15,18-hexaoxahenicosan-21-oate

2,5-Dioxopyrrolidin-1-yl 1-(2,5-dioxo-2H-pyrrol-1(5H)-yl)-3,6,9,12-tetraoxapentadecan-15-oate

2,5-Dioxopyrrolidin-1-yl 1-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3-oxo-7,10,13,16,19-pentaoxa-4-azadocosan-22-oate