1,5-Methano-1H-2-benzazepin-7-ol, 2,3,4,5-tetrahydro-2-ethyl-, methylcarbamate (ester), (+-)-,(R-(R*,R*))-2,3-bis((4-methylbenzoyl)oxy)butanedioate, hydrate (1:1:1) 156693-36-6