54063-48-8 Heptaverin Heptaverina Heptaverine Heptaverine [INN] Heptaverinum N,N-Dimethyl-N-(3-(8,9,10-trinorbornan-2-yliden)-3-phenylpropyl)amin N,N-Dimethyl-gamma-phenyl-delta2,gamma-norbornanepropylamine