1-Cyclohexyl-3-hydroxy-6-methyl-2-(N(alpha)-methyl-N(alpha)-(2-(N-methyl-N-(2-(N-methyl-N-morpholinocarbonylamino)ethyl)aminocarbonyloxy)-3-phenylpropionyl)histidyl)aminoheptane hydrochloride 150679-23-5 FK 906 FK-906