Spiro[2H-1-benzopyran-2,2′-[2H]indole], 1′,3′-dihydro-8-methoxy-1′,3′,3′-trimethyl-6-nitro-
Spiro[2H-1-benzopyran-2,2′-indoline], 8-methoxy-1′,3′,3′-trimethyl-6-nitro-
1′,3′-Dihydro-8-methoxy-1′,3′,3′-trimethyl-6-nitrospiro[2H-1-benzopyran-2,2′-[2H]indole]
1,3,3-Trimethylindolino-8′-methoxy-6′-nitrobenzospiropyran
1′3′,3′-Trimethyl-6-nitro-8-methoxyspiro[2H-1-benzopyran-2,2′-indoline]
1,3,3-Trimethylindolino-6′-nitro-8′-methoxybenzospiropyran
1,3,3-Trimethyl-6′-nitro-8′-methoxyspiro[indolinobenzopyran]
6′-Nitro-8′-methoxy-1,3,3-trimethylspiro[indoline-2,2′-benzopyran]
8-Methoxy-1′,3′,3′-trimethyl-6-nitrospiro(2H-1-benzopyran-2,2′-indoline)
1′,3′,3′-Trimethyl-8-methoxy-6-nitrospiro(2H-1-benzopyran-2,2′-indoline)
1,3,3-Trimethyl-6′-nitro-8′-methoxyspiro(indoline-2,2′-benzopyran)
1,3,3-Trimethylindolino-6′-nitro-8′-methoxybenzopyrylspiran
6′-Nitro-8′-methoxy-1,3,3-trimethylindolinobenzopyrylspiran
2′,3′-Dihydro-8-methoxy-1′,3′,3′-trimethyl-6-nitrospiro[2H-1-benzopyran-2,2′-indole]
Spiromer 68NM
SP 2 (dye)
SP 2
8-Methoxy-6-nitro-1′,3′,3′-trimethylspiro[2H-1-benzopyran-2,2′-indoline]
8′-Methoxy-6′-nitro-1,3,3-trimethylspiro(indolino-2,2′-benzopyran)
NSC 206175
MNSP