1-myo-inositol 1,2,3,4,5-pentakisphosphate 1D-myo-inositol 1,2,3,4,5-pentakisphosphate 1L-myo-inositol 1,2,3,4,5-pentakisphosphate D-Ins(12345)P5 MI-PENTAKISPHOSPHATE inositol 1,2,3,4,5-pentakisphosphate myo-inositol 1,2,3,4,5-pentakisphosphate