deltorphin C
C50H74N8O12
(S)-3-[(1-{(R)-2-[(S)-2-tert-Butoxycarbonylamino-3-(4-hydroxy-phenyl)-propionylamino]-propionylamino}-cyclohexanecarbonyl)-amino]-N-{(S)-1-[(S)-1-(carbamoylmethyl-carbamoyl)-2-methyl-propylcarbamoyl]-2-methyl-propyl}-succinamic acid tert-butyl ester
C43H68N8O12