B12B-XASK-1F(LF)(SN) B12BXASK1GU B12B-XASK-1-GU B12B-XASK-1-GW B12B-XASK-1N B12B-XASK-1N(LF)(SN) B12B-XASK-1N-A B12B-XASK-1N-A(LF)(SN) B12B-XASS-N-A(LF)(SN) B12B-XH-2