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The 8-atom compound vinylamine (C2H3NH2) was identified toward the
Galactic Center cloud G+0.693-0.027 as reported in 2021 by
Zeng and coworkers. The observations were made
with the IRAM
30m telescope and the Yebes
40m telescope. Five clean transitions
were detected, along with four more lines that were slightly blended with other features.
Other molecules with the vinyl (C2H3) group that have been detected in space include
vinyl cyanide (1975),
vinyl alcohol (2001), and
vinyl acetylene (2021). Non-detections include
vinyl acetate (2015),
vinyl formate (2016),
vinyl mercaptan (2019), and
vinyl isocyanate (2022).
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