(3-alpha,4-alpha,6-alpha)-6-Phenyl-1,3,4-trimethyl-3,4-piperidinediol 3,4-Piperidinediol, 1,3,4-trimethyl-6-phenyl-, (3alpha,4alpha,6alpha)- 3,4-Piperidinediol, 6-phenyl-1,3,4-trimethyl-, (3-alpha,4-alpha,6-alpha)- 84687-57-0