SU3 su3 (5R,7S,10S)-10-tert-butyl-N-{(1R,2R)-1-[(cyclopropylsulfonyl)carbamoyl]-2-ethylcyclopropyl}-15,15-dimethyl-3,9,12-trioxo-6,7,9,10,11,12,14,15,16,17,18,19-dodecahydro-1H,5H-2,23:5,8-dimethano-4,13,2,8,11-benzodioxatriazacyclohenicosine-7(3H)-carboxamide SU3