54.3 MB (1.0 MB compressed)
4038 x 4704 pixels
34.3 x 39.9 cm ⏐ 13.5 x 15.7 in (300dpi)
PHIL DEGGINGER / SCIENCE PHOTO LIBRARY PHIL DEGGINGER / SCIENCE PHOTO LIBRARY
Arsole, also called arsenole or arsacyclopentadiene, is an organoarsenic compound with the formula C4H4AsH. It is classified as a metallole and is isoelectronic to and related to pyrrole except that an arsenic atom is substituted for the nitrogen atom.
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