Pimavanserin tartrate706782-28-7100 % similar Pimavanserin706779-91-184 % similar Metoprolol tartrate56392-17-735 % similar 4-Propoxymandelic acid79694-16-931 % similar N-[(4-Fluorophenyl)methyl]-1-methyl-4-piperidinamine359878-47-030 % similar 4-Fluorophenoxyacetic acid405-79-830 % similar