biological regulation that negatively regulates some methylmalonate semialdehyde + nad+ + coa => propionyl-coa + co2 + nadh + h+
negative regulation of hydrogen sulfide biosynthetic process
SubClassOf(ObjectIntersectionOf(<http://purl.obolibrary.org/obo/GO_0065007> ObjectSomeValuesFrom(<http://purl.obolibrary.org/obo/RO_0002212> <http://purl.obolibrary.org/obo/GO_0004491>)) <http://purl.obolibrary.org/obo/GO_1904827>)
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