Disclosed are compounds of Formula 1,stereoisomers thereof, and pharmaceutically acceptable salts thereof, wherein L, r, s, R5, R6, R7, R9, R10, R11, R12, X1, X2, X3, X4, X13, and X14 are defined in the specification. This disclosure also relates to materials and methods for preparing compounds of Formula 1, to pharmaceutical compositions which contain them, and to their use for treating diseases, disorders, and conditions associated with SSTR4.
