40 2dA reference COSY spectrum of propyl paraben (30 g L−1 in acetonewater 6040SOLENOID U85206452 for Perkins 402D 403D 404D 404C 403C 2306 Series · SOLENOID U85206452 for Perkins 402D 403D 404D 404C 403C 2306 Series · Fits