Play on either headphones or a speaker (Must Be Stereo). Please set your volume to a comfortable setting. Like this video? Spread the Love & Subscribe 🙂 ********************************** VItamin A – Information Formula: C20H30O IUPAC ID: (2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohex-1-enyl)nona-2,4,6,8-tetraen-1-ol Molar mass: 286.45…
