141271-42-3 7-Bromo-1,2,3,3a,8,8a-hexahydro-1,3a,8-trimethylpyrrolo(2,3-6)indol-5-ol fumarate HP 736 HP-736 Pyrrolo(2,3-b)indol-5-ol, 7-bromo-1,2,3,3a,8,8a-hexahydro-1,3a,8-trimethyl-, cis-, (E)-2-butenedioate (1:1) (salt)