156693-31-1 Carbamic acid, heptyl-, 2,3,4,5-tetrahydro-2-methyl-1,5-methano-1H-2-benzazepin-7-yl ester, (+-)-, (R-(R*,R*))-2,3-bis((4-methylbenzoyl)oxy)butanedioate, hydrate (2:2:1)