(+)-trans-Superfit 101472-20-2 3-Methylfentanyl isothiocyanate 3-Methylfentanylisothiocyanate Me-Fit Propanamide, N-(1-(2-(4-isothiocyanoatophenyl)ethyl)-3-methyl-4-piperidinyl)-N-phenyl-, (3S-cis)-