stibane antimony trihydride stibine InChI=1S/Sb.3H trihydridoantimony chebi_ontology MolBase:1658 CHEBI:30288 OUULRIDHGPHMNQ-UHFFFAOYSA-N stibane 124.78382 SbH3 0 [H][Sb]([H])[H] CAS:7803-52-3 [SbH3] Antimonwasserstoff 123.92729 H3Sb Gmelin:795 stibonium antimony hydride mononuclear parent hydride