Defined in file pcsubstance.asn
No C++ class for INTEGER with named values
PC-BondType ::= INTEGER {
single (1), -- Single Bond
double (2), -- Double Bond
triple (3), -- Triple Bond
quadruple (4), -- Quadruple Bond
dative (5), -- Dative Bond
complex (6), -- Complex Bond
ionic (7), -- Ionic Bond
unknown (255) -- Unknown/Unspecified Connectivity
}