| 2(3h)-benzoxazolone, 6-(1-hydroxy-4-(4-(2-pyrimidinyl)-1-piperazinyl)butyl)-3-m |
| (((pyrimidino-2)-4 piperazinyl-1)-4 hydroxy-1 butyl)-6 methyl-3 benzoxazolino |
| 6-(1-hydroxy-4-(4-(2-pyrimidinyl)-1-piperazinyl)butyl)-3-methyl-2(3h)-be nzox |
| 6-(1-hydroxy-4-(4-(2-pyrimidinyl)-1-piperazinyl)butyl)-3-methyl-2(3h)-benzoxazolon |