RF-1023B

trapoxin B

Cyclo(Aoe-Phe-Phe-D-Pro-)

Cyclo[L-Phe-L-Phe-D-Pro-6-[2-[(S)-oxiranyl]-2-oxoethyl]-L-Nle-]

(3aR,6S,9S,12S)-9,12-Dibenzyl-6-[6-oxo-6-[(S)-oxiranyl]hexyl]-1,2,3,3a,8,9-hexahydro-5,8,11,13a-tetraaza-13aH-cyclopentacyclododecene-4,7,10,13(5H,6H,11H,12H)-tetrone