The present invention relates to new compounds of general formula 1wherein X\u2212 and the groups A, B, R, R1, R2, R3, R3\u2032, R4, R4\u2032, Rx and Rx\u2032 may have the meanings given in the claims and in the specification, processes for preparing them and their use as pharmaceutical compositions. In one aspect, a method of manufacturing is provided that includes providing a first semiconductor die that has a first bulk semiconductor side and a first opposite side. The first network receives a second message for user device and forwards the second message to the second network. The mounting system can further include a horizontal adjustment feature disposed at a bottom end of the second portion and mechanically coupled to the second portion.